“apterous”的英文意思_释义_用法

单词

apterous

释义

apterous, a.|ˈæptərəs|
[f. as prec. + -ous.]
1. Zool. Wingless; esp. belonging to the Aptera, a sub-order of Insects including lice and spring-tails.
1775White Selborne lxv. (1865) 272 These apterous insects.1786Lightfoot Brit. Shells in Phil. Trans. LXXVI. 169 The body of the single specimen which had wings was..narrower than the apterous ones.1880Bastian Brain 61 Blind insects are all apterous.
2. Bot. Of seeds, leaf-stalks, etc.: Having no membranous expansions; opposed to alate.
1830Lindley Nat. Syst. Bot. 45 [The Mangosteen Tribe have] seeds..always apterous.

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