PROPORTION
\pɹəpˈɔːʃən], \pɹəpˈɔːʃən], \p_ɹ_ə_p_ˈɔː_ʃ_ə_n]\
Definitions of PROPORTION
 2006  WordNet 3.0
 2011  English Dictionary Database
 2010  New Age Dictionary Database
 1919  The Winston Simplified Dictionary
 1899  The american dictionary of the english language.
 1894  The Clarendon dictionary
 1919  The Concise Standard Dictionary of the English Language
 1914  Nuttall's Standard dictionary of the English language
 1874  Etymological and pronouncing dictionary of the English language
 1871  The Cabinet Dictionary of the English Language
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magnitude or extent; "a building of vast proportions"

adjust in size relative to other things

the quotient obtained when the magnitude of a part is divided by the magnitude of the whole

give pleasant proportions to; "harmonize a building with those surrounding it"
By Princeton University

magnitude or extent; "a building of vast proportions"

adjust in size relative to other things

the quotient obtained when the magnitude of a part is divided by the magnitude of the whole

give pleasant proportions to; "harmonize a building with those surrounding it"
By DataStellar Co., Ltd

The relation or adaptation of one portion to another, or to the whole, as respect magnitude, quantity, or degree; comparative relation; ratio; as, the proportion of the parts of a building, or of the body.

Harmonic relation between parts, or between different things of the same kind; symmetrical arrangement or adjustment; symmetry; as, to be out of proportion.

A part considered comparatively; a share.

The equality or similarity of ratios, especially of geometrical ratios; or a relation among quantities such that the quotient of the first divided by the second is equal to that of the third divided by the fourth;  called also geometrical proportion, in distinction from arithmetical proportion, or that in which the difference of the first and second is equal to the difference of the third and fourth.

The rule of three, in arithmetic, in which the three given terms, together with the one sought, are proportional.

To adjust in a suitable proportion, as one thing or one part to another; as, to proportion the size of a building to its height; to proportion our expenditures to our income.

To form with symmetry or suitableness, as the parts of the body.

To divide into equal or just shares; to apportion.
By Oddity Software

The relation in size, quantity, or degree of one to another; ratio or rate; a proper balance or relation of all the parts; equal or just share.

To form symmetrically, or make the parts of suitable to each other; to cause to be in suitable relation.
By William Dodge Lewis, Edgar Arthur Singer

The relation of one thing to another in regard to magnitude: mutual fitness of parts: symmetrical arrangement: (math.) the identity or equality of ratios: the "rule of three," in which three terms are given to find a fourth: equal or just share.

To adjust: to form symmetrically.
By Daniel Lyons
By William Hand Browne, Samuel Stehman Haldeman

To form; make symetrical.

To separate into portions.

Relative magnitude, number, or degree.

Fitness and harmony; symmetry.

A proportionate share; any share or part.

An equality or Identity between ratios.
By James Champlin Fernald

The comparative relation of any one thing to another; symmetry; a suitable adaptation of one part or thing to another; the identity or similitude of two rations; equal or just share; a rule by which, when three numbers are given, a fourth number is found; an equality of arithmetical ratios.

To adjust the comparative relation of one thing to another; to form symmetrically. Harmonical proportion, a relation of three or four quantities such that the first is to the last as the difference between the two first is to the difference between to the two last. Inverse proportion, a proportion where the ratio of first to second is as that of fourth to third. In proportion, according as.
By Nuttall, P.Austin.

Relation or correspondence of parts between unequal things of the same kind; symmetry; in arith., a rule in which three terms are given to find a fourth; in geom., the identity, equality, or similitude of ratios; mutual fitness or correspondence of parts to each other, and to the whole; equal degree; equal or just share; form; size.

To adjust the comparative relation of one thing, or one part, to another; to form symmetrically; to divide into equal or just shares.
By Stormonth, James, Phelp, P. H.

n. [Latin] Arrangement of parts ; relation of one portion to another, or with respect to magnitude or quantity ; equal or just share ; lot ;symmetrical arrangement, distribution, or adjustment ; relative form of a body ; size ; dimension ;  equality or similarity of ratios, especially of geometrical ratios ;the rule of three in arithmetic, in which from three given terms a fourth is found, bearing the same relation to the third as the second does to the first. In proportion, according as ; to the degree that.