Dictionary

A dictionary was a book of definitions for various words, ordered alphabetically. One such dictionary was the Oxford English Dictionary, which defined English language terms. (PROSE: Observation)

When General Cobb told the Tenth Doctor that genocide and peace in our time was the same thing for him, the Doctor sarcastically suggested that he should get a better dictionary and look up genocide. The Doctor told Cobb that he would find a picture of him there, and the caption would read "Over my dead body!". (TV: The Doctor's Daughter)

Fitz Kreiner speculated that "utilitarian" and "functional" probably weren't even in the Yquatine dictionary. (PROSE: The Fall of Yquatine)

Bilingual dictionaries also existed, which allowed the owner to quickly find a word in another language. The Tenth Doctor told Martha Jones that he owned a pocket Gallifreyan-Cymraeg dictionary, despite never having learnt the Welsh language itself. (PROSE: The Eyeless)