| 单词 | dicotyledon |
| 释义 | dicotyledon /duy kot'l eed"n, duy'kot l-/, n. Bot. any angiospermous plant of the class (or subclass) Dicotyledoneae, producing seeds with two cotyledons and having an exogenous manner of growth. Cf. monocotyledon. [1720-30; < NL Dicotyledones a pre-Linnean grouping of such plants. See DI-1, COTYLEDON] |
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