proportional

[ pruh-pawr-shuh-nl, -pohr- ]
/ prəˈpɔr ʃə nl, -ˈpoʊr- /
SEE SYNONYMS FOR proportional ON THESAURUS.COM

adjective

having due proportion; corresponding.
being in or characterized by proportion.
of, relating to, or based on proportion; relative.
Mathematics.
  1. (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.
  2. (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.

Origin of proportional

1350–1400; Middle English proporcional < Latin prōportiōnālis. See proportion, -al1

OTHER WORDS FROM proportional

WORDS THAT MAY BE CONFUSED WITH proportional

proportional proportionate

Words nearby proportional

propone, proponent, propontis, proportion, proportionable, proportional, proportional counter, proportional font, proportional limit, proportional representation, proportional spacing

Words related to proportionality

rate, scale, proportion, quota, similarity, harmony, rhythm, equilibrium, correspondence, relationship, equation, arrangement, fraction, correlation, quotient, finish, equality, form, equivalence, agreement

Example sentences from the Web for proportionality

British Dictionary definitions for proportionality

proportional
/ (prəˈpɔːʃənəl) /

adjective

of, involving, or being in proportion
maths having or related by a constant ratio

noun

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

Derived forms of proportional

proportionality, noun proportionally, adverb