(cryptography) A book, table, database, or other object that stores the mapping between plaintext words or phrases and their equivalents in a code. / (computer science) A lookup table.

plural of codebook

plural of codebreaker

A cryptanalyst, one who decodes messages without the key.

(organic chemistry) A particular narcotic painkiller.

plural of codefendant

(law) Any of several defendants answering the same charge.

Alternative spelling of code face

Causing mutual deformation

Having no code (in any sense)