quinquangleWiktionary 原文/ˈkwɪŋˌkwæŋɡəl/构词拆解quinququinqu-前缀angle-angle后缀quinqu-Alternative form of quinque- used before a vowel.-angle(geometry, of a two-dimensional shape) having the specified number of internal angles词源链晚期拉丁语Late Latin约 3–6 世纪quīnquangulum↓ 借入英语Englishquinquangle词源说明From Late Latin quīnquangulum, use as noun of neuter of quīnquangulus (“pentagonal”). By surface analysis, quinqu- + -angle.释义名词noun1(geometry, archaic) Synonym of pentagon (“a polygon with five sides and five angles”).同族词相关词 1quinquangular