What do a.m. and p.m. stand for?


[pruh-pawr-shuh nd, -pohr-] /prəˈpɔr ʃənd, -ˈpoʊr-/
adjusted to proper proportion or relation.
having proportions as specified:
a badly proportioned room.
Origin of proportioned
1350-1400; Middle English proporcioned. See proportion, -ed2
Related forms
nonproportioned, adjective
underproportioned, adjective
unproportioned, adjective
well-proportioned, adjective


[pruh-pawr-shuh n, -pohr-] /prəˈpɔr ʃən, -ˈpoʊr-/
comparative relation between things or magnitudes as to size, quantity, number, etc.; ratio.
proper relation between things or parts:
to have tastes way out of proportion to one's financial means.
relative size or extent.
proportions, dimensions or size:
a rock of gigantic proportions.
a portion or part in its relation to the whole:
A large proportion of the debt remains.
symmetry, harmony, or balance:
an architect with a sense of proportion.
the significance of a thing or event that an objective view reveals:
You must try to see these mishaps in proportion.
Mathematics. a relation of four quantities such that the first divided by the second is equal to the third divided by the fourth; the equality of ratios.
Compare rule of three.
Archaic. analogy; comparison.
verb (used with object)
to adjust in proper proportion or relation, as to size, quantity, etc.
to balance or harmonize the proportions of.
1350-1400; Middle English proporcio(u)n < Latin prōportiōn- (stem of prōportiō) symmetry, analogy. See pro-1, portion
Related forms
proportioner, noun
proportionless, adjective
misproportion, noun
reproportion, verb (used with object)
superproportion, noun
1. comparison. 5. share. 6. distribution, arrangement. See symmetry. 10. regulate, arrange, balance, harmonize. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for proportioned
  • It takes me the longest time to find pants long enough, and shirts proportioned well for my body type.
  • The enfilade of modestly proportioned rooms expresses the purpose of this earthly paradise as well as its design.
  • The stands are generously proportioned, the colours soothingly neutral and the aisles thickly carpeted.
  • If a global financial meltdown would occur, the currency reform would be done proportioned to all countries involved.
  • Ironically, a netbook designed for kids has a generously proportioned keyboard for even plus-sized adult fingers.
  • And her sense of fun was proportioned to the follies which diverted her.
  • Everything stands in its proper relation in that self-evolved art, is logical, well-proportioned.
  • The progress of elegant literature and of the fine arts was proportioned to that of the public prosperity.
  • It was a large, well-proportioned room, handsomely fitted up.
  • The food is generously proportioned, so don't fill up on snacks before you get there.
British Dictionary definitions for proportioned


the relationship between different things or parts with respect to comparative size, number, or degree; relative magnitude or extent; ratio
the correct or desirable relationship between parts of a whole; balance or symmetry
a part considered with respect to the whole
(pl) dimensions or size: a building of vast proportions
a share, part, or quota
(maths) a relationship that maintains a constant ratio between two variable quantities: x increases in direct proportion to y
(maths) a relationship between four numbers or quantities in which the ratio of the first pair equals the ratio of the second pair
verb (transitive)
to adjust in relative amount, size, etc
to cause to be harmonious in relationship of parts
Derived Forms
proportionable, adjective
proportionability, noun
proportionably, adverb
proportionment, noun
Word Origin
C14: from Latin prōportiō (a translation of Greek analogia), from phrase prō portione, literally: for (its, his, one's) portion
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
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Word Origin and History for proportioned



late 14c., "due relation of one part to another," also "size, extent; compartative relation in size, degree, number, etc.," from Old French proporcion "measure, proportion" (13c.), from Latin proportionem (nominative proportio) "comparative relation, analogy," from phrase pro portione "according to the relation" (of parts to each other), from pro "for" (see pro-) + ablative of *partio "division," related to pars (see part (n.)). Phrase out of proportion attested by 1670s.

My fortunes [are] as ill proportioned as your legs. [John Marston, "Antonio and Mellida," 1602]


"to adjust or regulate the proportions of," late 14c., from proportion (n.) and in part from Middle French proporcioner and directly from Medieval Latin proportionare. Related: Proportioned; proportioning.

Online Etymology Dictionary, © 2010 Douglas Harper
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proportioned in Science
A statement of equality between two ratios. Four quantities, a, b, c, and d, are said to be in proportion if a/b = c/d .
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Idioms and Phrases with proportioned


The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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