Meaning of PROPORTIONAL in English

I. -shən ə l, -shnəl adjective

Etymology: Middle English proporcional, from Latin proportionalis, from proportion-, proportio proportion + -alis -al


a. : being in proportion : corresponding in size, degree, or intensity : proportionate — used with to

rushed into freedom and enjoyment … with an energy proportional to their previous restraint — G.L.Dickinson

b. : having the same or a constant ratio

2. : of, relating to, or used in determining proportions

windows were widened for proportional consideration

proportional compasses

3. : regulated or determined in size or degree with reference to proportions

proportional system of immigration quotas

• pro·por·tion·al·ly -shən ə lē, -shnəlē, -i adverb

II. noun

( -s )

1. : a number or quantity in a proportion

2. obsolete : equivalent 2

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.