89. Code

cryptanalysis

1. the procedures and methods used in translating or interpreting codes and ciphers.

2. the science or study of such procedures. Also cryptanalytics . — cryptanalyst , n. — cryptanalytic, cryptanalytical , adj .

cryptogram

a message or writing in code or cipher. Also cryptograph . — cryptogrammic , adj .

cryptography, cryptology

1. the science or study of secret writing, especially codes and ciphers.

2. the procedures and methods of making and using codes and ciphers. — cryptographer, cryptographist , n . — cryptographic , adj .