Function: adjective
Date: 15th century
1 a : corresponding in size, degree, or intensity b : having the same or a constant ratio <corresponding sides of similar triangles are proportional >
2 : regulated or determined in size or degree with reference to proportions <a proportional system of immigration quotas>
– pro · por · tion · al · i · ty \ - ˌ po ̇ r-sh ə - ' na-l ə -t ē \ noun
– pro · por · tion · al · ly \ - ' po ̇ r-shn ə -l ē , -sh ə -n ə l- ē \ adverb