[ri-pleys-muh nt]
See more synonyms for replacement on
  1. the act of replacing.
  2. a person or thing that replaces another: summer replacements for vacationing staff; a replacement for a broken dish.
  3. Military. a sailor, soldier, or airman assigned to fill a vacancy in a military unit.
  4. Also called metasomatism. Geology. the process of practically simultaneous removal and deposition by which a new mineral grows in the body of an old one.

Origin of replacement

First recorded in 1780–90; replace + -ment
Related formsnon·re·place·ment, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for replacement

restoration, reinstatement, stand-in

Examples from the Web for replacement

Contemporary Examples of replacement

Historical Examples of replacement

British Dictionary definitions for replacement


  1. the act or process of replacing
  2. a person or thing that replaces another
  3. geology the growth of a mineral within another of different chemical composition by gradual simultaneous deposition and removal
  4. a process of fossilization by gradual substitution of mineral matter for the original organic matterAlso called: petrification
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 replacement

"act or fact of being replaced," 1790, from replace (v.) + -ment. Meaning "something that replaces another" is attested from 1894.

Online Etymology Dictionary, © 2010 Douglas Harper