cipher

[ sahy-fer ]
/ ˈsaɪ fər /

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.

Nearby words

  1. cio,
  2. cion,
  3. cioppino,
  4. cip,
  5. cipango,
  6. ciphertext,
  7. ciphony,
  8. cipolin,
  9. cippi,
  10. cippus

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

Related formsci·pher·a·ble, adjectiveci·pher·er, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ciphering


British Dictionary definitions for ciphering

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

Word Origin and History for ciphering
Online Etymology Dictionary, © 2010 Douglas Harper