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- DictionaryCi·pher/ˈsīfər/
noun
- 1. a secret or disguised way of writing; a code: "he was writing cryptic notes in a cipher"
- 2. a zero; a figure 0. dated
verb
- 1. put (a message) into secret writing; encode: "he left two, as yet uncracked, ciphered messages for posthumous decoding"
- 2. do arithmetic. archaic
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 encipherment. To encipher or encode is to convert information into cipher or code.
a person of no influence; nonentity. a secret method of writing, as by transposition or substitution of letters, specially formed symbols, or the like. Compare cryptography. writing done by such a method; a coded message. the key to a secret method of writing. a combination of letters, as the initials of a name, in one design; monogram.
noun. /ˈsaɪfə (r)/ /ˈsaɪfər/ (also cypher) [uncountable, countable] a secret way of writing, especially one in which a set of letters or symbols is used to represent others synonym code. a message in cipher. see also decipher. Take your English to the next level.
A cipher is a secret code, usually one that's created using a mathematical algorithm. Sometimes the message written in code is itself called a cipher. Cipher comes from the Arabic sifr, which means "nothing" or "zero." The word came to Europe along with the Arabic numeral system.
Feb 20, 2024 · A numeric character. Synonyms: number, numeral. Any text character. A combination or interweaving of letters, as the initials of a name. Synonyms: device, monogram. a painter's cipher. an engraver's cipher.
3 days ago · 1. a method of secret writing using substitution or transposition of letters according to a key. 2. a secret message. 3. the key to a secret message. 4. an obsolete name for zero (sense 1) 5. any of the Arabic numerals (0, 1, 2, 3, etc, to 9) or the Arabic system of numbering as a whole. 6. a person or thing of no importance; nonentity. 7.
5 days ago · noun. 1. the symbol 0, indicating a value of zero. 2. a person or thing of no importance or value. 3. a. a system of secret writing based on a key, or set of predetermined rules or symbols. b. a message in such writing. c. the key to such a system. see also code. 4. an intricate weaving together of letters, as a monogram. 5. an Arabic numeral.
