[ kuh n-vur-zhuh n, -shuh n ]
/ kənˈvɜr ʒən, -ʃən /


Nearby words

  1. conversationalist,
  2. conversazione,
  3. converse,
  4. converse, frederick shepherd,
  5. conversely,
  6. conversion disorder,
  7. conversion ratio,
  8. conversion table,
  9. conversive heat,
  10. conversus

Origin of conversion

1300–50; Middle English conversio(u)n (< Anglo-French) < Latin conversiōn- (stem of conversiō) a complete change. See converse2, -ion

Related formscon·ver·sion·al, con·ver·sion·ar·y [kuh n-vur-zhuh-ner-ee, -shuh-] /kənˈvɜr ʒəˌnɛr i, -ʃə-/, adjectivenon·con·ver·sion, nounpre·con·ver·sion, nounsem·i·con·ver·sion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for conversion

British Dictionary definitions for conversion


/ (kənˈvɜːʃən) /


Derived Formsconversional or conversionary, adjective

Word Origin for conversion

C14: from Latin conversiō a turning around; see convert

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 conversion



mid-14c., originally of religion, from French conversion, from Latin conversionem (nominative conversatio), noun of action from past participle stem of convertere (see convert (v.)). General sense of "transformation" is early 15c. Of buildings, from 1921. Conversion disorder "hysteria" (attested from 1946 but said to have been coined by Freud) was in DSM-IV (1994).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for conversion


[ kən-vûrzhən, -shən ]


The acquisition by bacteria of a new property associated with presence of a prophage.
A defense mechanism in which repressed ideas, conflicts, or impulses are manifested by various bodily symptoms, such as paralysis or breathing difficulties, that have no physical cause.
Related formscon•versive (-sĭv) adj.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.