codebook

Definition from Wiktionary, the free dictionary
Jump to: navigation, search

English[edit]

Etymology[edit]

code +‎ book.

Noun[edit]

codebook ‎(plural codebooks)

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

Translations[edit]