Cryptography

[krɪp'tɒgrəfɪ] or [krɪp'tɑgrəfi]

(noun.) act of writing in code or cipher.

Checked by Jeannette--From WordNet

(n.) The act or art of writing in secret characters; also, secret characters, or cipher.

Typed by Debora

n. the art of secret writing: the character or cipher so used.—ns. Crypt′ograph; Cryptog′rapher.—adjs. Cryptograph′ic -al.

Edited by Laurence