dicotyledon
dicotyledon
[ˌdʌɪkɒtɪˈliːd(ə)n]
noun
dicotyledonous
adjective
语源
[ˌdʌɪkɒtɪˈliːd(ə)n]
noun
- (Botany)a flowering plant with an embryo that bears two cotyledons (seed leaves). Dicotyledons constitute the larger of the two great divisions of flowering plants, and typically have broad stalked leaves with net-like veins (e.g. daisies, hawthorns, oaks)
(植)双子叶植物。 比较 monocotyledon - Class Dicotyledoneae (or -donae, -dones; sometimes Magnoliopsida), subdivision Angiospermae
双子叶植物纲，被子植物亚门
dicotyledonous
adjective
语源
- early 18th cent.: from modern Latin dicotyledones (plural), from di- 'two' + cotyledon (see cotyledon)
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