| 单词 | seed coat |
| 释义 | > as lemmasseed coat seed coat n. the protective outer covering of a seed; = testa n. 1. ΘΚΠ the world > plants > part of plant > reproductive part(s) > seed > [noun] > parts of > covering or skin pillc1300 huskc1400 shell1561 tunicle1601 parchment1682 tunic1760 seed coat1776 aril1785 testa1796 perula1825 spermoderm1841 endopleura1842 test1846 arillode1854 tegmen1857 1776 W. Withering Bot. Arrangem. Veg. Great Brit. II. 826 The Seed-coat opened to shew the Seed. 1894 F. W. Oliver et al. tr. A. Kerner von Marilaun Nat. Hist. Plants I. 601 The embryo is surrounded by the seed-coat, which may consist of a single or a double layer. 1955 Bull. Torrey Bot. Club 82 285 The seed coat itself permits the entrance of water, and germination takes place in a few days. 2005 Post-Standard (Syracuse, N.Y.) 13 Feb. (Final ed.) 29/3 Morning glory seeds have hard seed coats. < as lemmas |
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