单词 | endosperm |
释义 | > as lemmasendosperm endosperm n. Brit. /ˈɛndə(ʊ)spəːm/ , U.S. /ˈɛndəˌspərm/ , /ˈɛndoʊˌspərm/ Botany the nutritive element, also called albumen, enclosed with the embryo in many seeds. [ < French endosperme (1808 or earlier; < endo- endo- prefix and comb. form + -sperme -sperm comb. form); compare scientific Latin endospermium (1808 or earlier).] ΚΠ c1850 Nat. Encycl. I. 388 It is also named endosperm. 1875 C. Darwin Insectivorous Plants xv. 302 The endosperm is not actually united with..the embryo. 1882 S. H. Vines tr. J. von Sachs Text-bk. Bot. (ed. 2) 227 A special mass of tissue, the so-called Endosperm. < as lemmas |
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