Etymology : Middle English proporcion, from Middle French proportion, from Latin proportion-, proportio, from pro for + portion-, portio portion; more at FOR
Pronunciation : pr&-'pOr-sh&n, -'por-
Function : noun
Date : 14th century
1. ratio; part, portion; rate; dimension, size; percentage; balance. separate into portions; adjust in size relative to other parts; bring into proper relation. proportion\pro*por"tion\ , n. [f., fr. l. proportio; pro before + portio part or share. see:
portion.].
2. 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. the image of christ, made after his own proportion. formed in the best proportions of her sex. w. scott. documents are authentic and facts are true precisely in proportion to the support which they afford to his theory.
3. harmonic relation between parts, or between different things of the same kind; symmetrical arrangement or adjustment; symmetry; as, to be out of proportion. "let us prophesy according to the proportion of faith." xii.
4. 3. the portion one receives when a whole is distributed by a rule or principle; equal or proper share; lot. let the women do the same things in their proportions and capacities. taylor.
5. a part considered comparatively; a share.
6. (math.) (a) 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.note: proportion in the mathematical sense differs from ratio. ratio is the relation of two quantities of the same kind, as the ratio of 5 to 10, or the ratio of 8 to.
7. proportion is the sameness or likeness of two such relations. thus, 5 to 10 as 8 to 16; that is, 5 bears the same relation to 10 as 8 does to.
8. hence, such numbers are said to be in proportion. proportion is expressed by symbols thus: a:b::c:d, or a:b = c:d, or a/b = c/d. (b) the rule of three, in arithmetic, in which the three given terms, together with the one sought, are proportional.
9. 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.
10. Harmonic relation between parts, or between different things of the same kind; symmetrical arrangement or adjustment; symmetry; as, to be out of proportion.
11. The portion one receives when a whole is distributed by a rule or principle; equal or proper share; lot.
12. A part considered comparatively; a share.
13. 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.
14. The rule of three, in arithmetic, in which the three given terms, together with the one sought, are proportional.
15. 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.
16. To form with symmetry or suitableness, as the parts of the body.
17. To divide into equal or just shares; to apportion. harmonious arrangement or relation of parts or elements within a whole ; "in all perfectly beautiful objects there is found the opposition of one part to another and a reciprocal balance"- John Ruskin magnitude or extent; "a building of vast proportions" the quotient obtained when the magnitude of a part is divided by the magnitude of the whole adjust in size relative to other things give pleasant proportions to; "harmonize a building with those surrounding it".
18. 1. A proportion of a group or an amount is a part of it. A large proportion of the dolphins in that area will eventually die A proportion of the rent is met by the city council.
19. The proportion of one kind of person or thing in a group is the number of people or things of that kind compared to the total number of people or things in the group. The proportion of women in the profession had risen to 17.3%.
20. The proportion of one amount to another is the relationship between the two amounts in terms of how much there is of each thing. Women's bodies tend to have a higher proportion of fat to water. = ratio.
21. If you refer to the proportions of something, you are referring to its size, usually when this is extremely large. In the tropics plants grow to huge proportions.
22. If one thing increases or decreases in proportion to another thing, it increases or decreases to the same degree as that thing. The pressure in the cylinders would go up in proportion to the boiler pressure.
23. If something is small or large in proportion to something else, it is small or large when compared with that thing. Children tend to have relatively larger heads than adults in proportion to the rest of their body.
24. If you say that something is out of all proportion to something else, you think that it is far greater or more serious than it should be. The punishment was out of all proportion to the crime.
25. If you get something out of proportion, you think it is more important or worrying than it really is. If you keep something in proportion, you have a realistic view of how important it is. Everything just got blown out of proportion We've got to keep this in proportion. to put something in a particular relationship with something else according to their relative size, amount, position etc proportion sth to sth.
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