| 单词 | cotyledon |
| 释义 | cotyledon (once / 7274 pages) n WORD FAMILY cotyledon: cotyledons USAGE EXAMPLESEmbryo with a pair of opposite cotyledons, or in Subclass II. often three or more in a whorl. Gray, Asa, The Manual of the Botany of the Nor...(2012) A plant which has no cotyledons, as the dodder and all flowerless plants. Webster, Noah, Webster's Unabridged Dictionary(2012) The seeds are filled with the large embryo, the two cotyledons of which are variously folded. Various, Encyclopaedia Britannica, 11th Edit...(2012) n embryonic leaf in seed-bearing plants Syn|Hyper seed leaf cataphyll a reduced or scarcely developed leaf at the start of a plant's life (i.e., cotyledons) or in the early stages of leaf development |
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