[ ri-pleys-muhnt ]
See 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.

  1. Military. a sailor, soldier, or airman assigned to fill a vacancy in a military unit.

  2. 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

Other words from replacement

  • non·re·place·ment, noun

Words Nearby replacement Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use replacement in a sentence

British Dictionary definitions for replacement


/ (rɪˈpleɪsmənt) /

  1. the act or process of replacing

  2. a person or thing that replaces another

  1. geology the growth of a mineral within another of different chemical composition by gradual simultaneous deposition and removal

  2. a process of fossilization by gradual substitution of mineral matter for the original organic matter: Also 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