from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To divide and assign according to a plan; allot: "The tendency persists to apportion blame as suits the circumstances” ( Natalie Angier).

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To divide and distribute portions of a whole.
  • v. Specifically, to do so in a fair and equitable manner; to allocate proportionally.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To divide and assign in just proportion; to divide and distribute proportionally; to portion out; to allot

from The Century Dictionary and Cyclopedia

  • To divide and assign in just proportion or according to some rule; distribute proportionally; allot: as, to apportion undivided rights; to apportion time among various employments.
  • Synonyms Dispense, Distribute, etc. See dispense.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. give out as one's portion or share
  • v. distribute according to a plan or set apart for a special purpose


French apportioner, from Old French : a-, to (from Latin ad-, ad-) + portionner, to divide into portions (from portion, portion; see portion).
(American Heritage® Dictionary of the English Language, Fourth Edition)
Middle French apportionner, from Old French aporcioner, from Late Latin apportionare, from Latin ad + portio. See portion. (Wiktionary)



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