英语词汇“pendecagon”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pendecagon
释义	pendecagon /pɛnˈdɛkəɡ(ə)n/ /pɛnˈdɛkəɡɒn/ Geometry rare noun A plane figure having fifteen straight sides and fifteen angles; a quindecagon. Origin Late 17th century; earliest use found in William Alingham (fl. 1694–1710). Apparently irregularly from pen- (in ancient Greek πέντε five: see penta-) + decagon. Compare post-classical Latin pentedecagonum, Hellenistic Greek πεντεκαιδεκάγωνον.
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pendecagon