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unionize

[yoon-yuh-nahyz]
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verb (used with object), un·ion·ized, un·ion·iz·ing.
  1. to form into a union.
  2. to organize into a labor union; bring into or incorporate in a labor union.
  3. to subject to the rules of a labor union.
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verb (used without object), un·ion·ized, un·ion·iz·ing.
  1. to form a union.
  2. to join in a labor union.
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Also especially British, un·ion·ise.

Origin of unionize

First recorded in 1835–45; union + -ize
Related formsun·ion·i·za·tion, nounun·ion·iz·er, nouno·ver·un·ion·ize, verb, o·ver·un·ion·ized, o·ver·un·ion·iz·ing.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for unionize

unionize

unionise

verb
  1. to organize (workers) into a trade union
  2. to join or cause to join a trade union
  3. (tr) to subject to the rules or codes of a trade union
  4. to join or become joined in marriage or civil partnership
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Derived Formsunionization or unionisation, noun
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 unionize

v.

"make into a union," 1841, from union + -ize. Related: Unionized; unionizing.

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Online Etymology Dictionary, © 2010 Douglas Harper