• synonyms


[non-proh-lif-uh-rey-shuh n]
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  1. the action or practice of curbing or controlling an excessive, rapid spread: nonproliferation of nuclear weapons.
  2. failure or refusal to proliferate, as in budding or cell division.
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  1. pertaining to diplomatic agreements limiting the spread of nuclear weapons.
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Origin of nonproliferation

First recorded in 1960–65; non- + proliferation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for non-proliferation


    1. limitation of the production or spread of something, esp nuclear or chemical weapons
    2. (as modifier)a nonproliferation treaty
  1. failure or refusal to proliferate
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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 non-proliferation


also nonproliferation, 1965, from non- + proliferation; originally in reference to nuclear weapons.

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Online Etymology Dictionary, © 2010 Douglas Harper