英语词汇“enneagon”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	enneagon
释义	enneagon\|ˈɛniːəgən\| Also 7 -one. [f. Gr. ἐννέα nine + γωνία angle.] A plane figure with nine angles. Hence enneˈagonal, a., having nine angles. 1660Barrow Euclid iv. xi, Then is AB the side of Enneagone.1721–1800in Bailey.1817H. T. Colebrooke Algebra 92 The regular pentagon, heptagon, and enneagon.
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