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A '''dimension''', sometimes also referred to as a '''plane''' ([[PROSE]]: ''[[Twilight of the Gods (MA novel)|Twilight of the Gods]]'', [[TV]]: ''[[Time Heist]]'') and once as a '''"[[time]]-[[space]]"''', ([[TV]]: ''[[The Greatest Show in the Galaxy]]'') was a property of space, extending in a given direction, which, when combined with other dimensions of width and height and time, made up the [[universe]]. {{fact}} | A '''dimension''', sometimes also referred to as a '''plane''' ([[PROSE]]: ''[[Twilight of the Gods (MA novel)|Twilight of the Gods]]'', [[TV]]: ''[[Time Heist (TV story)|Time Heist]]'') and once as a '''"[[time]]-[[space]]"''', ([[TV]]: ''[[The Greatest Show in the Galaxy (TV story)|The Greatest Show in the Galaxy]]'') was a property of space, extending in a given direction, which, when combined with other dimensions of width and height and time, made up the [[universe]]. {{fact}} | ||
== Characteristics == | == Characteristics == | ||
There were countless billions of dimensions, some of them incomprehensibly different to [[N-Space]]. Beings from these distant dimensions obeyed very different laws of physics and were (presumably) forbidden to cross into other dimensions. [[Nobody No-One]] came from a reality 45 billion dimensions away from N-Space and was composed of language and communication instead of [[matter]] and [[energy]]. ([[AUDIO]]: ''[[The Word Lord]]'') | There were countless billions of dimensions, some of them incomprehensibly different to [[N-Space]]. Beings from these distant dimensions obeyed very different laws of physics and were (presumably) forbidden to cross into other dimensions. [[Nobody No-One]] came from a reality 45 billion dimensions away from N-Space and was composed of language and communication instead of [[matter]] and [[energy]]. ([[AUDIO]]: ''[[The Word Lord (audio story)|The Word Lord]]'') | ||
The [[Sixth Doctor]] described there being trillions and trillions of alternate dimensions, some of which could be infinitesimally small [[micro-universe]]s. ([[AUDIO]]: ''[[The Macros]]'') However, the [[Seventh Doctor]] later commented that one billion cubic centimetres was small in terms of a dimension's size. ([[AUDIO]]: ''[[The Light at the End]]'') | The [[Sixth Doctor]] described there being trillions and trillions of alternate dimensions, some of which could be infinitesimally small [[micro-universe]]s. ([[AUDIO]]: ''[[The Macros (audio story)|The Macros]]'') However, the [[Seventh Doctor]] later commented that one billion cubic centimetres was small in terms of a dimension's size. ([[AUDIO]]: ''[[The Light at the End (audio story)|The Light at the End]]'') | ||
[[Time]] was often considered by [[human]]s to be the "fourth dimension" ([[TV]]: "[[An Unearthly Child (episode)|An Unearthly Child]]") and [[Vicki Pallister]] later elaborated that time, even though a dimension in itself, had dimensions of its own. The [[First Doctor]] even stated, in their adventure at the time, that he did not understand "''this''" fourth dimension. ([[TV]]: ''[[The Space Museum]]'') Different universes possessed different time dimensions. Time moved faster in [[Capron (planet)|Capron]]'s universe, requiring metabolisms to be altered so as to prevent rapid ageing when travelling to it from N-space. ([[AUDIO]]: ''[[The Macros]]'') | [[Time]] was often considered by [[human]]s to be the "fourth dimension" ([[TV]]: "[[An Unearthly Child (episode)|An Unearthly Child]]") and [[Vicki Pallister]] later elaborated that time, even though a dimension in itself, had dimensions of its own. The [[First Doctor]] even stated, in their adventure at the time, that he did not understand "''this''" fourth dimension. ([[TV]]: ''[[The Space Museum (TV story)|The Space Museum]]'') Different universes possessed different time dimensions. Time moved faster in [[Capron (planet)|Capron]]'s universe, requiring metabolisms to be altered so as to prevent rapid ageing when travelling to it from N-space. ([[AUDIO]]: ''[[The Macros (audio story)|The Macros]]'') | ||
According to the [[Twelfth Doctor]], the [[Boneless]] were "from a universe with only two dimensions", although the Doctor also described them as "creatures from another dimension" and mentioned a way of sending them "back to their own dimension". People in N-Space, where three dimensions were required for life to survive there, had theorised such a universe's existence, but according to the Doctor, "no-one could go there and prove its existence without a heck of a [[diet]]". ([[TV]]: ''[[Flatline (TV story)|Flatline]]'') | According to the [[Twelfth Doctor]], the [[Boneless]] were "from a universe with only two dimensions", although the Doctor also described them as "creatures from another dimension" and mentioned a way of sending them "back to their own dimension". People in N-Space, where three dimensions were required for life to survive there, had theorised such a universe's existence, but according to the Doctor, "no-one could go there and prove its existence without a heck of a [[diet]]". ([[TV]]: ''[[Flatline (TV story)|Flatline]]'') | ||
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"Dimension" was sometimes used interchangeably with "universe" or "plane". | "Dimension" was sometimes used interchangeably with "universe" or "plane". | ||
The [[Elder God]]s were said to have shunted themselves into a "parallel dimension" ([[PROSE]]: ''[[Millennial Rites]]'') and a "[[parallel universe]]". ([[PROSE]]: ''[[All-Consuming Fire (novel)|All Consuming-Fire]]'') | The [[Elder God]]s were said to have shunted themselves into a "parallel dimension" ([[PROSE]]: ''[[Millennial Rites (novel)|Millennial Rites]]'') and a "[[parallel universe]]". ([[PROSE]]: ''[[All-Consuming Fire (novel)|All Consuming-Fire]]'') | ||
== Dimensions within the universe == | == Dimensions within the universe == | ||
The universe had eleven dimensions in total. ([[PROSE]]: ''[[Parasite (novel)|Parasite]]'') | The universe had eleven dimensions in total. ([[PROSE]]: ''[[Parasite (novel)|Parasite]]'') | ||
Depending on perspective, the "normal" universe was variously described as being three dimensions, ([[AUDIO]]: ''[[Paradise 5 (audio story)|Paradise 5]]'') four dimensions, ([[AUDIO]]: ''[[Storm Warning (audio story)|Storm Warning]]'', ''[[The Hollows of Time]]'') and five dimensions, with the other six "higher dimensions" forming the [[Six-Fold-Realm]]. | Depending on perspective, the "normal" universe was variously described as being three dimensions, ([[AUDIO]]: ''[[Paradise 5 (audio story)|Paradise 5]]'') four dimensions, ([[AUDIO]]: ''[[Storm Warning (audio story)|Storm Warning]]'', ''[[The Hollows of Time (audio story)|The Hollows of Time]]'') and five dimensions, with the other six "higher dimensions" forming the [[Six-Fold-Realm]]. | ||
{{quote|When the universe was created, dimensions started to solidify out of the primal chaos [...] And in the aftermath of [[Event Zero]], eleven dimensions did fight for existence. Five were triumphant - together they did become the three dimensions of space, and the two dimensions of time through which we travel. But the remaining six dimensions did still exist: although beaten, although denied their dominance, they curled and curdled amongst themselves to become a six-fold universe, separate yet conjoined.|[[The Quantum Archangel]]}} | {{quote|When the universe was created, dimensions started to solidify out of the primal chaos [...] And in the aftermath of [[Event Zero]], eleven dimensions did fight for existence. Five were triumphant - together they did become the three dimensions of space, and the two dimensions of time through which we travel. But the remaining six dimensions did still exist: although beaten, although denied their dominance, they curled and curdled amongst themselves to become a six-fold universe, separate yet conjoined.|[[The Quantum Archangel (novel)|The Quantum Archangel]]}} | ||
The first three, the three "primary dimensions," ([[AUDIO]]: ''[[The Invasion of E-Space]]'') were required to sustain native life forms such as [[human]]s and [[Time Lord]]s. As the [[Twelfth Doctor]] theorised, "Perhaps [the [[Boneless]] didn't] even understand that we need[ed] three dimensions to live in." ([[TV]]: ''[[Flatline (TV story)|Flatline]]'') While these made up space in the physical sense, time was considered to be the fourth dimension and [[space]] the fifth, ([[TV]]: "[[An Unearthly Child (episode)|An Unearthly Child]]") altogether forming the [[space-time continuum]] where space and time were connected, since they both came into being at the same moment. ([[AUDIO]]: ''[[The Forbidden Time]]'') In relation to four-dimensional space-time, the universe had seven "concealed" dimensions, "the intermediate dimensions," which held space together. ([[AUDIO]]: ''[[The Hollows of Time]]'') | The first three, the three "primary dimensions," ([[AUDIO]]: ''[[The Invasion of E-Space (audio story)|The Invasion of E-Space]]'') were required to sustain native life forms such as [[human]]s and [[Time Lord]]s. As the [[Twelfth Doctor]] theorised, "Perhaps [the [[Boneless]] didn't] even understand that we need[ed] three dimensions to live in." ([[TV]]: ''[[Flatline (TV story)|Flatline]]'') While these made up space in the physical sense, time was considered to be the fourth dimension and [[space]] the fifth, ([[TV]]: "[[An Unearthly Child (episode)|An Unearthly Child]]") altogether forming the [[space-time continuum]] where space and time were connected, since they both came into being at the same moment. ([[AUDIO]]: ''[[The Forbidden Time (audio story)|The Forbidden Time]]'') In relation to four-dimensional space-time, the universe had seven "concealed" dimensions, "the intermediate dimensions," which held space together. ([[AUDIO]]: ''[[The Hollows of Time (audio story)|The Hollows of Time]]'') | ||
Alternatively, access to the "[[fifth dimension]]" was equated as being access to [[time travel]]. ([[AUDIO]]: ''[[Mission to Magnus (audio story)|Mission to Magnus]]'') After the bite of a [[Vortisaur]] aged the skin of [[Peter Rathbone]]'s forearm to that of a sixty-year old, the [[Eighth Doctor]] described the [[Vortisaur]]s, who were native to the [[Time Vortex]], as "five dimensional predators [who] make five dimensional bite marks". ([[AUDIO]]: ''[[Storm Warning (audio story)|Storm Warning]]'') | Alternatively, access to the "[[fifth dimension]]" was equated as being access to [[time travel]]. ([[AUDIO]]: ''[[Mission to Magnus (audio story)|Mission to Magnus]]'') After the bite of a [[Vortisaur]] aged the skin of [[Peter Rathbone]]'s forearm to that of a sixty-year old, the [[Eighth Doctor]] described the [[Vortisaur]]s, who were native to the [[Time Vortex]], as "five dimensional predators [who] make five dimensional bite marks". ([[AUDIO]]: ''[[Storm Warning (audio story)|Storm Warning]]'') | ||
The [[omniverse]] was implied to have an infinite number of dimensions. ([[PROSE]]: ''[[Spiral Scratch]]'') | The [[omniverse]] was implied to have an infinite number of dimensions. ([[PROSE]]: ''[[Spiral Scratch (novel)|Spiral Scratch]]'') | ||
== Other dimensions == | == Other dimensions == | ||
[[Hyperspace]] was another dimension. ([[TV]]: ''[[The Stones of Blood]]'') It could be reached using a [[black hole]], which essentially collapsed dimensions into a [[singularity]]. ([[TV]]: ''[[The Horns of Nimon]]'') | [[Hyperspace]] was another dimension. ([[TV]]: ''[[The Stones of Blood (TV story)|The Stones of Blood]]'') It could be reached using a [[black hole]], which essentially collapsed dimensions into a [[singularity]]. ([[TV]]: ''[[The Horns of Nimon (TV story)|The Horns of Nimon]]'') | ||
According to one account, a [[TARDIS]]' interior existed as a separate dimension from the rest of the universe. This meant the interior didn't exist, creating [[temporal grace]]. ([[TV]]: ''[[The Hand of Fear (TV story)|The Hand of Fear]]'') Another account described TARDISes as being a part of the universe; the [[Tenth Doctor]] said that [[The Doctor's TARDIS|his TARDIS]] was "the last TARDIS in the universe". ([[TV]]: ''[[Rise of the Cybermen (TV story)|Rise of the Cybermen]]'') According to another account, the [[Eleventh Doctor]] said that the Doctor telling [[Melody Pond|Mels]] that the TARDIS existed in a state of temporal grace was "a clever lie" to ensure that Mels didn't fire her gun. ([[TV]]: ''[[Let's Kill Hitler (TV story)|Let's Kill Hitler]]'') Nonetheless, the Eleventh Doctor also described the huge room inside the TARDIS which was surrounded by a tiny exterior as "basically another dimension". ([[TV]]: ''[[The Vampires of Venice (TV story)|The Vampires of Venice]]'') The external dimensions of the Doctor's TARDIS were once leeched by the Boneless, making its exterior shell smaller but keeping the interior the same size. ([[TV]]: ''[[Flatline (TV story)|Flatline]]'') | According to one account, a [[TARDIS]]' interior existed as a separate dimension from the rest of the universe. This meant the interior didn't exist, creating [[temporal grace]]. ([[TV]]: ''[[The Hand of Fear (TV story)|The Hand of Fear]]'') Another account described TARDISes as being a part of the universe; the [[Tenth Doctor]] said that [[The Doctor's TARDIS|his TARDIS]] was "the last TARDIS in the universe". ([[TV]]: ''[[Rise of the Cybermen (TV story)|Rise of the Cybermen]]'') According to another account, the [[Eleventh Doctor]] said that the Doctor telling [[Melody Pond|Mels]] that the TARDIS existed in a state of temporal grace was "a clever lie" to ensure that Mels didn't fire her gun. ([[TV]]: ''[[Let's Kill Hitler (TV story)|Let's Kill Hitler]]'') Nonetheless, the Eleventh Doctor also described the huge room inside the TARDIS which was surrounded by a tiny exterior as "basically another dimension". ([[TV]]: ''[[The Vampires of Venice (TV story)|The Vampires of Venice]]'') The external dimensions of the Doctor's TARDIS were once leeched by the Boneless, making its exterior shell smaller but keeping the interior the same size. ([[TV]]: ''[[Flatline (TV story)|Flatline]]'') | ||
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A location of space called the [[Arc of Infinity]] was known as an ancient curve between dimensions. ([[TV]]: ''[[Arc of Infinity (TV story)|Arc of Infinity]]'') | A location of space called the [[Arc of Infinity]] was known as an ancient curve between dimensions. ([[TV]]: ''[[Arc of Infinity (TV story)|Arc of Infinity]]'') | ||
[[N-Form (Damaged Goods)|N-Forms]] were constructs created by the [[Patrexes]] that were able to cross dimensions and exist in pocket dimensions of their own. ([[PROSE]]: ''[[Damaged Goods]]'') | [[N-Form (Damaged Goods)|N-Forms]] were constructs created by the [[Patrexes]] that were able to cross dimensions and exist in pocket dimensions of their own. ([[PROSE]]: ''[[Damaged Goods (novel)|Damaged Goods]]'') | ||
The [[Mavora]] existed in only the first two dimensions, and thus they were a completely flat shape and could slide between the atoms of the universe. ([[COMIC]]: ''[[The Broken Man (comic story)|The Broken Man]]'') | The [[Mavora]] existed in only the first two dimensions, and thus they were a completely flat shape and could slide between the atoms of the universe. ([[COMIC]]: ''[[The Broken Man (comic story)|The Broken Man]]'') | ||
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The [[2Dis]] was able to restore three dimensions to small objects the Boneless had flattened into two dimensions and reverse the process. After the Boneless took on a 3D form in N-Space, they had the ability to "restore" dimensions as well. ([[TV]]: ''[[Flatline (TV story)|Flatline]]'') | The [[2Dis]] was able to restore three dimensions to small objects the Boneless had flattened into two dimensions and reverse the process. After the Boneless took on a 3D form in N-Space, they had the ability to "restore" dimensions as well. ([[TV]]: ''[[Flatline (TV story)|Flatline]]'') | ||
[[E-Space]] was a small dimension connected to [[N-Space]] by the [[Logopolitan]]s in an effort to delay the death of the universe from [[entropy]]. Access was through a [[Charged Vacuum Emboitment]]. The [[Fourth Doctor]] and [[Romana II]] stumbled through one such CVE. ([[TV]]: ''[[Full Circle]]'') They found the [[Great Vampire]] hiding there. ([[TV]]: ''[[State of Decay]]'') | [[E-Space]] was a small dimension connected to [[N-Space]] by the [[Logopolitan]]s in an effort to delay the death of the universe from [[entropy]]. Access was through a [[Charged Vacuum Emboitment]]. The [[Fourth Doctor]] and [[Romana II]] stumbled through one such CVE. ([[TV]]: ''[[Full Circle (TV story)|Full Circle]]'') They found the [[Great Vampire]] hiding there. ([[TV]]: ''[[State of Decay (TV story)|State of Decay]]'') | ||
According to [[Fenric]], the Doctor trapped him in the [[Shadow Dimensions]] for seventeen centuries ([[TV]]: ''[[The Curse of Fenric]]'') which were remnants of the [[pre-universe]]. ([[PROSE]]: ''[[The Curse of Fenric (novelisation)|The Curse of Fenric]]'') | According to [[Fenric]], the Doctor trapped him in the [[Shadow Dimensions]] for seventeen centuries ([[TV]]: ''[[The Curse of Fenric]]'') which were remnants of the [[pre-universe]]. ([[PROSE]]: ''[[The Curse of Fenric (novelisation)|The Curse of Fenric]]'') | ||
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The [[Seventh Doctor]] claimed [[King Arthur]]'s craft found in [[Lake Vortigern]] was from another dimension or [[Arthur's World|parallel universe]]. ([[TV]]: ''[[Battlefield (TV story)|Battlefield]]'') | The [[Seventh Doctor]] claimed [[King Arthur]]'s craft found in [[Lake Vortigern]] was from another dimension or [[Arthur's World|parallel universe]]. ([[TV]]: ''[[Battlefield (TV story)|Battlefield]]'') | ||
The [[Antiverse]] was a universe comprised of [[anti-time]]. Use of the [[Oubliette of Eternity]] would send people to this universe, turning them into [[Neverperson|Neverpeople]]. The [[Eighth Doctor]] and Romana II went there looking for the remains of [[Rassilon]]. ([[AUDIO]]: ''[[Neverland]]'') | The [[Antiverse]] was a universe comprised of [[anti-time]]. Use of the [[Oubliette of Eternity]] would send people to this universe, turning them into [[Neverperson|Neverpeople]]. The [[Eighth Doctor]] and Romana II went there looking for the remains of [[Rassilon]]. ([[AUDIO]]: ''[[Neverland (audio story)|Neverland]]'') | ||
The [[Divergent Universe]] was a universe created by Rassilon to contain the [[Divergence]], a race that would theoretically replace the [[Time Lord]]s. The Eighth Doctor went there on a self-imposed exile. ([[AUDIO]]: ''[[Zagreus (audio story)|Zagreus]]'') | The [[Divergent Universe]] was a universe created by Rassilon to contain the [[Divergence]], a race that would theoretically replace the [[Time Lord]]s. The Eighth Doctor went there on a self-imposed exile. ([[AUDIO]]: ''[[Zagreus (audio story)|Zagreus]]'') | ||
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According to the [[Tenth Doctor]], [[the Morass (The Crimson Hand)|the Morass]] was a dimension where time and space had been torn apart. ([[COMIC]]: ''[[The Crimson Hand (comic story)|The Crimson Hand]]'') | According to the [[Tenth Doctor]], [[the Morass (The Crimson Hand)|the Morass]] was a dimension where time and space had been torn apart. ([[COMIC]]: ''[[The Crimson Hand (comic story)|The Crimson Hand]]'') | ||
The [[bubble universe]] was a [[universe]] outside of N-Space which could be accessed from N-Space via a [[Bubble universe rift|space-time rift]]. ([[TV]]: ''[[The Doctor's Wife]]'') | The [[bubble universe]] was a [[universe]] outside of N-Space which could be accessed from N-Space via a [[Bubble universe rift|space-time rift]]. ([[TV]]: ''[[The Doctor's Wife (TV story)|The Doctor's Wife]]'') | ||
The [[after-universe]] had twenty-seven dimensions, all of which [[Saraquazel]] existed in. ([[PROSE]]: ''[[Millennial Rites]]'') | The [[after-universe]] had twenty-seven dimensions, all of which [[Saraquazel]] existed in. ([[PROSE]]: ''[[Millennial Rites (novel)|Millennial Rites]]'') | ||
An [[empty dimension]] was a "spare dimension" "every TARDIS" carried as standard equipment. Someone imprisoned in there could not die, but they could be caged until the end of eternity. ([[COMIC]]: ''[[Doctor Who and the Iron Legion (comic story)|Doctor Who and the Iron Legion]]'') | An [[empty dimension]] was a "spare dimension" "every TARDIS" carried as standard equipment. Someone imprisoned in there could not die, but they could be caged until the end of eternity. ([[COMIC]]: ''[[Doctor Who and the Iron Legion (comic story)|Doctor Who and the Iron Legion]]'') | ||
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** The [[Chronovore]]s | ** The [[Chronovore]]s | ||
** The [[Eternal]]s | ** The [[Eternal]]s | ||
* [[Spillager]]s ([[AUDIO]]: ''[[Winter for the Adept]]'') | * [[Spillager]]s ([[AUDIO]]: ''[[Winter for the Adept (audio story)|Winter for the Adept]]'') | ||
* Five-dimensional [[Tef'Aree]] ([[COMIC]]: ''[[Tesseract (comic story)|Tesseract]]'') | * Five-dimensional [[Tef'Aree]] ([[COMIC]]: ''[[Tesseract (comic story)|Tesseract]]'') | ||
* Seven-dimensional [[Legion]]s ([[PROSE]]: ''[[Lucifer Rising]]'') | * Seven-dimensional [[Legion]]s ([[PROSE]]: ''[[Lucifer Rising (novel)|Lucifer Rising]]'') | ||
* Eight-dimensional [[Scourge]] ([[AUDIO]]: ''[[The Shadow of the Scourge]]'') | * Eight-dimensional [[Scourge]] ([[AUDIO]]: ''[[The Shadow of the Scourge (audio story)|The Shadow of the Scourge]]'') | ||
* [[Dalek (Earth Alliance)|Good Daleks]] ([[AUDIO]]: ''[[Project Infinity (audio story)|Project Infinity]]'') | * [[Dalek (Earth Alliance)|Good Daleks]] ([[AUDIO]]: ''[[Project Infinity (audio story)|Project Infinity]]'') | ||
* [[Neutron eater]]s ([[AUDIO]]: ''[[Lost Souls (audio story)|Lost Souls]]'') | * [[Neutron eater]]s ([[AUDIO]]: ''[[Lost Souls (audio story)|Lost Souls]]'') | ||
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* [[Light-eating locust]]s ([[TV]]: ''[[The Eaters of Light (TV story)|The Eaters of Light]]'') | * [[Light-eating locust]]s ([[TV]]: ''[[The Eaters of Light (TV story)|The Eaters of Light]]'') | ||
[[es:Dimensión]] | |||
[[Category:Science from the real world]] | [[Category:Science from the real world]] | ||
[[Category:Concepts]] | [[Category:Concepts]] | ||
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[[Category:Universe]] | [[Category:Universe]] | ||
[[Category:Universes and dimensions]] | [[Category:Universes and dimensions]] | ||
Revision as of 03:14, 30 May 2019
A dimension, sometimes also referred to as a plane (PROSE: Twilight of the Gods, TV: Time Heist) and once as a "time-space", (TV: The Greatest Show in the Galaxy) was a property of space, extending in a given direction, which, when combined with other dimensions of width and height and time, made up the universe. [source needed]
Characteristics
There were countless billions of dimensions, some of them incomprehensibly different to N-Space. Beings from these distant dimensions obeyed very different laws of physics and were (presumably) forbidden to cross into other dimensions. Nobody No-One came from a reality 45 billion dimensions away from N-Space and was composed of language and communication instead of matter and energy. (AUDIO: The Word Lord)
The Sixth Doctor described there being trillions and trillions of alternate dimensions, some of which could be infinitesimally small micro-universes. (AUDIO: The Macros) However, the Seventh Doctor later commented that one billion cubic centimetres was small in terms of a dimension's size. (AUDIO: The Light at the End)
Time was often considered by humans to be the "fourth dimension" (TV: "An Unearthly Child") and Vicki Pallister later elaborated that time, even though a dimension in itself, had dimensions of its own. The First Doctor even stated, in their adventure at the time, that he did not understand "this" fourth dimension. (TV: The Space Museum) Different universes possessed different time dimensions. Time moved faster in Capron's universe, requiring metabolisms to be altered so as to prevent rapid ageing when travelling to it from N-space. (AUDIO: The Macros)
According to the Twelfth Doctor, the Boneless were "from a universe with only two dimensions", although the Doctor also described them as "creatures from another dimension" and mentioned a way of sending them "back to their own dimension". People in N-Space, where three dimensions were required for life to survive there, had theorised such a universe's existence, but according to the Doctor, "no-one could go there and prove its existence without a heck of a diet". (TV: Flatline)
Terminology
"Dimension" was sometimes used interchangeably with "universe" or "plane".
The Elder Gods were said to have shunted themselves into a "parallel dimension" (PROSE: Millennial Rites) and a "parallel universe". (PROSE: All Consuming-Fire)
Dimensions within the universe
The universe had eleven dimensions in total. (PROSE: Parasite)
Depending on perspective, the "normal" universe was variously described as being three dimensions, (AUDIO: Paradise 5) four dimensions, (AUDIO: Storm Warning, The Hollows of Time) and five dimensions, with the other six "higher dimensions" forming the Six-Fold-Realm.
When the universe was created, dimensions started to solidify out of the primal chaos [...] And in the aftermath of Event Zero, eleven dimensions did fight for existence. Five were triumphant - together they did become the three dimensions of space, and the two dimensions of time through which we travel. But the remaining six dimensions did still exist: although beaten, although denied their dominance, they curled and curdled amongst themselves to become a six-fold universe, separate yet conjoined.
The first three, the three "primary dimensions," (AUDIO: The Invasion of E-Space) were required to sustain native life forms such as humans and Time Lords. As the Twelfth Doctor theorised, "Perhaps [the Boneless didn't] even understand that we need[ed] three dimensions to live in." (TV: Flatline) While these made up space in the physical sense, time was considered to be the fourth dimension and space the fifth, (TV: "An Unearthly Child") altogether forming the space-time continuum where space and time were connected, since they both came into being at the same moment. (AUDIO: The Forbidden Time) In relation to four-dimensional space-time, the universe had seven "concealed" dimensions, "the intermediate dimensions," which held space together. (AUDIO: The Hollows of Time)
Alternatively, access to the "fifth dimension" was equated as being access to time travel. (AUDIO: Mission to Magnus) After the bite of a Vortisaur aged the skin of Peter Rathbone's forearm to that of a sixty-year old, the Eighth Doctor described the Vortisaurs, who were native to the Time Vortex, as "five dimensional predators [who] make five dimensional bite marks". (AUDIO: Storm Warning)
The omniverse was implied to have an infinite number of dimensions. (PROSE: Spiral Scratch)
Other dimensions
Hyperspace was another dimension. (TV: The Stones of Blood) It could be reached using a black hole, which essentially collapsed dimensions into a singularity. (TV: The Horns of Nimon)
According to one account, a TARDIS' interior existed as a separate dimension from the rest of the universe. This meant the interior didn't exist, creating temporal grace. (TV: The Hand of Fear) Another account described TARDISes as being a part of the universe; the Tenth Doctor said that his TARDIS was "the last TARDIS in the universe". (TV: Rise of the Cybermen) According to another account, the Eleventh Doctor said that the Doctor telling Mels that the TARDIS existed in a state of temporal grace was "a clever lie" to ensure that Mels didn't fire her gun. (TV: Let's Kill Hitler) Nonetheless, the Eleventh Doctor also described the huge room inside the TARDIS which was surrounded by a tiny exterior as "basically another dimension". (TV: The Vampires of Venice) The external dimensions of the Doctor's TARDIS were once leeched by the Boneless, making its exterior shell smaller but keeping the interior the same size. (TV: Flatline)
A location of space called the Arc of Infinity was known as an ancient curve between dimensions. (TV: Arc of Infinity)
N-Forms were constructs created by the Patrexes that were able to cross dimensions and exist in pocket dimensions of their own. (PROSE: Damaged Goods)
The Mavora existed in only the first two dimensions, and thus they were a completely flat shape and could slide between the atoms of the universe. (COMIC: The Broken Man)
The 2Dis was able to restore three dimensions to small objects the Boneless had flattened into two dimensions and reverse the process. After the Boneless took on a 3D form in N-Space, they had the ability to "restore" dimensions as well. (TV: Flatline)
E-Space was a small dimension connected to N-Space by the Logopolitans in an effort to delay the death of the universe from entropy. Access was through a Charged Vacuum Emboitment. The Fourth Doctor and Romana II stumbled through one such CVE. (TV: Full Circle) They found the Great Vampire hiding there. (TV: State of Decay)
According to Fenric, the Doctor trapped him in the Shadow Dimensions for seventeen centuries (TV: The Curse of Fenric) which were remnants of the pre-universe. (PROSE: The Curse of Fenric)
The Seventh Doctor claimed King Arthur's craft found in Lake Vortigern was from another dimension or parallel universe. (TV: Battlefield)
The Antiverse was a universe comprised of anti-time. Use of the Oubliette of Eternity would send people to this universe, turning them into Neverpeople. The Eighth Doctor and Romana II went there looking for the remains of Rassilon. (AUDIO: Neverland)
The Divergent Universe was a universe created by Rassilon to contain the Divergence, a race that would theoretically replace the Time Lords. The Eighth Doctor went there on a self-imposed exile. (AUDIO: Zagreus)
Jason Kane spent several years in a hell dimension. It was predominately rock. Tunnelling craft tunnelled their way between habitable areas. (PROSE: The Infernal Nexus)
According to the Tenth Doctor, the Morass was a dimension where time and space had been torn apart. (COMIC: The Crimson Hand)
The bubble universe was a universe outside of N-Space which could be accessed from N-Space via a space-time rift. (TV: The Doctor's Wife)
The after-universe had twenty-seven dimensions, all of which Saraquazel existed in. (PROSE: Millennial Rites)
An empty dimension was a "spare dimension" "every TARDIS" carried as standard equipment. Someone imprisoned in there could not die, but they could be caged until the end of eternity. (COMIC: Doctor Who and the Iron Legion)
In 2011, the Koggnossenti hubship transmatted to London from another dimension. (AUDIO: Technophobia)
Species from different dimensions
- Transcendental beings, who existed in the higher dimensions such as...
- The Guardians of Time
- The Chronovores
- The Eternals
- Spillagers (AUDIO: Winter for the Adept)
- Five-dimensional Tef'Aree (COMIC: Tesseract)
- Seven-dimensional Legions (PROSE: Lucifer Rising)
- Eight-dimensional Scourge (AUDIO: The Shadow of the Scourge)
- Good Daleks (AUDIO: Project Infinity)
- Neutron eaters (AUDIO: Lost Souls)
- Edgers (COMIC: On the Cards)
- The two-dimensional Boneless (TV: Flatline)
- The Artifact's species, which Ace claimed extended into more than eleven dimensions (PROSE: Parasite)
- Light-eating locusts (TV: The Eaters of Light)
