cryptograph

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a secret method of writing
• Syn:
cipher, cypher, secret code
• Derivationally related forms:
cypher (for: cypher), cipher (for: cipher)
• Hypernyms:
code
2. a piece of writing in code or cipher
• Syn:
cryptogram, secret writing
• Hypernyms:
writing, written material, piece of writing
3. a device for deciphering codes and ciphers
• Hypernyms:
device

• Từ đồng nghĩa / Synonyms:
  cryptogram, secret writing, cipher, cypher, secret code