• synonyms


[uh-pawr-shuh n, uh-pohr-]
verb (used with object)
  1. to distribute or allocate proportionally; divide and assign according to some rule of proportional distribution: to apportion expenses among the three men.
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Origin of apportion

1565–75; < Middle French apportionner, equivalent to ap- ap-1 + portionner to portion
Related formsap·por·tion·a·ble, adjectiveap·por·tion·er, nounnon·ap·por·tion·a·ble, adjectiveun·ap·por·tioned, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for apportioner

Historical Examples

  • The sun is called Unelanh, the apportioner, just as our word moon means originally the measurer.

    The Sacred Formulas of the Cherokees

    James Mooney

British Dictionary definitions for apportioner


  1. (tr) to divide, distribute, or assign appropriate shares of; allot proportionallyto apportion the blame
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Derived Formsapportionable, adjectiveapportioner, 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 apportioner



1570s, from Middle French apportionner, from Old French aporcioner "apportion, share out," from a- "to" (see ad-) + portioner "to divide into portions," from portion "share, portion" (see portion). Related: Apportioned; apportioning.

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Online Etymology Dictionary, © 2010 Douglas Harper