出典:Wiktionary
出典:『Wiktionary』 (2026/05/30 23:54 UTC 版)
From 中期英語 triangulare, trianguler, triangulere, from Old French triangulaire, triangulier and Latin triangulāris. By surface analysis, tri- + -angular.
triangular (comparative more triangular, superlative most triangular)
![]()