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cipher

[ sahy-fer ]
/ ˈsaɪ fər /
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See synonyms for: cipher / ciphering on Thesaurus.com

noun

verb (used without object)

to use figures or numerals arithmetically.
to write in or as in cipher.

verb (used with object)

to calculate numerically; figure.
to convert into cipher.

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Also especially British, cy·pher .

Origin of cipher

1350–1400; Middle English siphre<Medieval Latin ciphra<Arabic ṣifr empty, zero; translation of Sanskrit śūnyā empty

OTHER WORDS FROM cipher

ci·pher·a·ble, adjectiveci·pher·er, noun

Words nearby cipher

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use cipher in a sentence

British Dictionary definitions for cipher

cipher

cypher

/ (ˈsaɪfə) /

noun

verb

Word Origin for cipher

C14: from Old French cifre zero, from Medieval Latin cifra, from Arabic sifr zero, empty
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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