“nucule”的英文意思_释义_用法

单词

nucule

释义

nucule Bot.|ˈnjuːkjuːl|
[a. F. nucule, ad. L. nucula, dim. of nuc-, nux nut.]
1. One of the seeds of a nuculanium; a nutlet; a small hard seed-like or nut-like fruit; a small stone or seed.
1819Lindley tr. Richard's Fruits & Seeds 86 Nucule; each nut of a nuculanium.1847W. E. Steele Field Bot. 137 Fruit a capsule or berry of 2 or 4 adhering nucules.1879A. Gray Struct. Bot. (ed. 6) 298 Pyrenæ are not uncommonly in English descriptions called nutlets or nucules.
2. The female organ of reproduction in the cryptogamic tribe Chara.
1830Lindley Nat. Syst. Bot. 325 Axillary nucules, formed of a few short tubes, twisted spirally around a centre.1858Carpenter Veg. Phys. §776 The fructification of the Characeae is of two kinds, nucules, and globules.1884Trans. Victoria Instit. 86 The organ known as the nucule consists of an axial row of cells, which form a kind of crown at the summit.

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