Laboratory
From Tardis Wiki, the free Doctor Who reference
A laboratory was a place where people used scientific equipment. Some equipment that might be found in a laboratory included Bunsen burners (PROSE: Time and Relative) and cyclotrons. (TV: The Keys of Marinus)
While exiled on Earth, the Third Doctor had a laboratory where he could perform experiments to get his TARDIS working again. (TV: The Ambassadors of Death, The Three Doctors)
The Seventh Doctor had a laboratory aboard his TARDIS, near the TARDIS zoo. (PROSE: Echo)
On the Moonbase, the Second Doctor and Polly Wright worked in the medical unit's laboratory to cure a virus. (TV: The Moonbase)