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To express given information by means of a code.
To prepare a routine in machine language for a specific computer.
To encrypt, to perform encryption.
encode(1) To assign a code to represent data, such as a parts code. Contrast with decode. See encoding system.
(2) To convert from one format or signal to another. See codec and D/A converter.
(3) The term is sometimes erroneously used for "encrypt." However, encoded data are not secretly scrambled and can be decoded easily. See cryptography.