Isari Revised Dictionary 1989
From Tardis Wiki, the free Doctor Who reference
The Isari Revised Dictionary 1978 was a technologically-advanced dictionary containing definitions for multiple languages, including English, and a built-in translation matrix. Miss Garglespike owned a copy, which, when she wasn't using it, she shrank down into a book-shaped pin on her lapel using acumancy. (PROSE: The Bloodletters)
