: to change (a message) into cipher. Middle English cipher "zero," from Latin cifra (same meaning), from Arabic ṣifr "empty" Nglish: Translation of cipher for Spanish Speakers.

In cryptography, a cipher (or cypher) is an algorithm for performing encryption or decryption —a series of well-defined steps that can be followed as a procedure. An alternative, less common term is …

cryptography, Practice of the enciphering and deciphering of messages in secret code in order to render them unintelligible to all but the intended receiver. Cryptography may also refer to the art of …

Jul 23, 2025 · Cipher: A method or a set of rules for performing encryption or decryption of information – a step by step process. Encryption: The transformation of plaintext to the ciphertext through the use …

CIPHER definition: a secret method of writing or recording data, such as by substituting or adding letters or numbers, using specially formed symbols, or the like; code. See examples of cipher used in a …

CIPHER definition: 1. a system of writing that prevents most people from understanding the message: 2. a person or…. Learn more.

Define ciphering. ciphering synonyms, ciphering pronunciation, ciphering translation, English dictionary definition of ciphering. also cy·pher n. 1. The mathematical symbol denoting absence of quantity; …

Definition of cipher noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

A cipher is a secret system of writing that you use to send messages. ...converting their messages into ciphers. During World War II he worked as a cipher clerk. If you describe someone as a cipher, you …

ciphering, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary