# proportional

[ pruh-pawr-shuh-nl ]

/ prəˈpɔr ʃə nl /

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### adjective

having due proportion; corresponding.

being in or characterized by proportion.

of, relating to, or based on proportion; relative.

Mathematics.

- (of two quantities) having the same or a constant ratio or relation: The quantities y and x are proportional if y/x = k, where k is the constant of proportionality.
- (of a first quantity with respect to a second quantity) a constant multiple of: The quantity y is proportional to x if y = kx, where k is the constant of proportionality.

## SYNONYMS FOR proportional

## QUIZZES

#### QUIZ YOURSELF ON PARENTHESES AND BRACKETS APLENTY!

Set some time apart to test your bracket symbol knowledge, and see if you can keep your parentheses, squares, curlies, and angles all straight!

Question 1 of 7

Let’s start with some etymology: What are the origins of the typographical word “bracket”?

First appeared around 1750, and is related to the French word “braguette” for the name of codpiece armor.

First appeared in 1610, based on the French word “baguette” for the long loaf of bread.

First appeared in 1555, and is related to the French word “raquette” for a netted bat.

TAKE THE QUIZ TO FIND OUT ## Origin of proportional

First recorded in 1350–1400; Middle English proporcional, from Latin prōportiōnālis; see proportion, -al

^{1}## OTHER WORDS FROM proportional

## WORDS THAT MAY BE CONFUSED WITH proportional

proportional , proportionate## Words nearby proportional

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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

## Example sentences from the Web for proportional

## British Dictionary definitions for proportional

proportional

/ (prəˈpɔːʃənəl) /

### adjective

of, involving, or being in proportion

maths having or related by a constant ratio

### noun

maths an unknown term in a proportionin a/b = c/x, x is the fourth proportional

## Derived forms of proportional

proportionality, nounproportionally, adverbCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
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