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1. The activity of making clear or converting from code into plain text
   "a secret key or password is required for decoding"
   - decryption, decipherment

1. Convert code into ordinary language
   "The taught the children to blend letter sounds to decode the words"
   - decrypt, decipher

Derived forms: decodings

Type of: coding, cryptography, rewrite, secret writing, steganography

Antonym: encode

Encyclopedia: Decode