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Acid was a type of chemical compound that was caustic in nature.
Natural occurrences[[edit] | [edit source]]
Acid, sometimes in large bodies, could be found on many planets. The seas of Marinus, (TV: The Keys of Marinus [+]Loading...["The Keys of Marinus (TV story)"]) 16 Alpha Leonis One (PROSE: Eternity Weeps [+]Loading...["Eternity Weeps (novel)"]) and Endpoint were all composed of acid. (PROSE: Hope [+]Loading...["Hope (novel)"]) The planet Vortis also had pools of acid on its surface. (TV: The Web Planet [+]Loading...["The Web Planet (TV story)"]) Skaro had a river of acid, where the Dalek Emperor attempted to kill Zeg, (COMIC: Duel of the Daleks [+]Loading...["Duel of the Daleks (comic story)"]) and a Sea of Acid on the continent of Darren. (PROSE: Dalek: The Astounding Untold History of the Greatest Enemies of the Universe [+]Loading...["Dalek: The Astounding Untold History of the Greatest Enemies of the Universe (short story)"]) Lake Mono on the Gyre was composed of acid, where the humans put criminals to death by immersing them in it. (PROSE: Night of the Humans [+]Loading...["Night of the Humans (novel)"])
During the Last Great Time War, the once varied ecosystems of Marinus had been reduced to merely the acidic deserts and seas. When the Voord retreated to a pocket universe, their city remained surrounded by the acidic sea. (COMIC: Four Doctors [+]Loading...["Four Doctors (comic story)"])
On Drago 14, the beaches were roamed by acid-spitting land squids. A shop in the town sold acid-proof towels. (PROSE: Honeymoon Horrors [+]Loading...["Honeymoon Horrors (short story)"])
Uses[[edit] | [edit source]]
Offensive purposes[[edit] | [edit source]]
Some species used acid as a method of killing. This could include regular weaponry or an impromptu defence.
The First Doctor used a syringe of prussic acid to kill a Zilgan on the Sense Sphere. (PROSE: The Monsters from Earth [+]Loading...["The Monsters from Earth (short story)"])
Eldrad developed an acid that neutralised the molecular bond in silicon-based lifeforms. When he returned to Kastria after his execution, Eldrad triggered a booby trap that fired a missile containing the acid upon him. Knowing there to be no antidote, he was forced to use the regenerator chamber. (TV: The Hand of Fear [+]Loading...["The Hand of Fear (TV story)"]) An Eldrad known as "the Watcher", who had been restored from the original's eye, was killed with an acid filled dart by the Eldrad who was restored from the original's hand. In turn, this Eldrad was killed with the same dart by Mulkris. (AUDIO: Eldrad Must Die! [+]Loading...["Eldrad Must Die! (audio story)"])
The calcium-based bodies of Raxacoricofallapatorians were vulnerable to acetic acid. (TV: World War Three [+]Loading...["World War Three (TV story)"]) On Raxacoricofallapatorius, criminals were executed by being dissolved in a vat of acetic acid while still alive. (TV: Boom Town [+]Loading...["Boom Town (TV story)"])
The Second Doctor defeated the Krotons by using sulphuric acid against them. (TV: The Krotons [+]Loading...["The Krotons (TV story)"])
The Second Doctor once used a bottle of acid to drive off a panther that was threatening him. (COMIC: The Monsters from the Past [+]Loading...["The Monsters from the Past (comic story)"])
On Jaconda, the Sixth Doctor destroyed Mestor's body with Mosten acid. (TV: The Twin Dilemma [+]Loading...["The Twin Dilemma (TV story)"])
On Earth, coronic acid was used against the Sontarans Stike and Varl. (TV: The Two Doctors [+]Loading...["The Two Doctors (TV story)"])
Cassandra O'Brien's surgeons used moisturisers filled with acid to defend her. (TV: The End of the World [+]Loading...["The End of the World (TV story)"])
Strax once eagerly suggested using projectile acid against Walter Simeon. (TV: The Snowmen [+]Loading...["The Snowmen (TV story)"])
Other uses[[edit] | [edit source]]
Acid was used in acid jars, a power source reliant upon wind to produce usable energy. (TV: Frontios [+]Loading...["Frontios (TV story)"])
The humans of Varos used acid as a method of body disposal. The Sixth Doctor escaped from being dissolved in an acid bath. (TV: Vengeance on Varos [+]Loading...["Vengeance on Varos (TV story)"])
The Mantis leader, in his attempts to learn the nature of the Doctor's TARDIS, had it submerged in a beaker of acid in his ship's lab. The acid had little effect on the TARDIS. (COMIC: Size Control [+]Loading...["Size Control (comic story)"])
Other information[[edit] | [edit source]]
Acid was one of the few things which could prevent a Time Lord from regenerating. (PROSE: Night of the Humans [+]Loading...["Night of the Humans (novel)"])
Diplosians were allergic to citric acid. (TV: The Stones of Blood [+]Loading...["The Stones of Blood (TV story)"])
In the 22nd century, an acid factory was located at St John's Monastery. To protect themselves from its effects, the miners wore acid suits. (TV: The Rebel Flesh [+]Loading...["The Rebel Flesh (TV story)"])
Strax, another Sontaran, expressed a fondness for warfare that involved acid. (TV: The Crimson Horror [+]Loading...["The Crimson Horror (TV story)"], Deep Breath [+]Loading...["Deep Breath (TV story)"])