“cotyledonary”的英文意思_释义_用法

单词

cotyledonary

释义

cotyledonary, a.|kɒtɪˈliːdənərɪ|
[f. as prec. + -ary: corresp. to mod.F. cotylédonaire.]
1. Bot. Of the nature of a seed-leaf.
1854Bushnan in Circ. Sc. II. 27/2 These seed-lobes, or cotyledonary bodies.1882Vines Sachs' Bot. 501 The Embryo [in Cycadeæ] enclosed in the large endosperm possesses two opposite unequal cotyledonary leaves.
2. Phys. Characterized by the presence of cotyledons (see cotyledon 1).
1888Rolleston & Jackson Anim. Life 367 The non⁓deciduate placenta is either diffuse, when the villi are scattered, or cotyledonary, when they are aggregated into patches corresponding with maternal patches (true Ruminantia).

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