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expansionism

[ik-span-shuh-niz-uh m]
noun
  1. a policy of expansion, as of territory or currency: the colonial expansionism of Europe in the 19th century.
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Origin of expansionism

First recorded in 1895–1900; expansion + -ism
Related formsex·pan·sion·ist, noun, adjectiveex·pan·sion·is·tic, adjectivean·ti·ex·pan·sion·ism, nounan·ti·ex·pan·sion·ist, noun, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for expansionist

expansionism

noun
  1. the doctrine or practice of expanding the economy or territory of a country
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Derived Formsexpansionist, noun, adjectiveexpansionistic, adjective
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 expansionist

n.

"one who advocates the expansion of the territory of his nation," 1864, from expansion + -ist. Related: Expansionism.

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Online Etymology Dictionary, © 2010 Douglas Harper