英语词汇“semi-concave”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	semi-concave
释义	† semi-concave Obs. [semi- 7 a.] Applied to the half of a hollow cylinder bisected longitudinally. (See concave n. 1 b.) 1626Bacon Sylva §131 As the Enclosure, that is Round about and Entire, preserueth the Sound; So doth a Semi-Concaue.1734Builder's Dict. s.v. II. B 7, A Semi-Concave-Cylinder.
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