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pollen 音標拼音: [p'ɑlən] n. 花粉
vt. 傳授花粉給 花粉傳授花粉給 pollen n 1: the fine spores that contain male gametes and that are borne by an anther in a flowering plantPollen \ Pol" len\, n. [ L. pollen fine flour, fine dust; cf. Gr. ?] 1. Fine bran or flour. [ Obs.] -- Bailey. [ 1913 Webster] 2. ( Bot.) The fecundating dustlike cells of the anthers of flowers. See { Flower}, and Illust. of { Filament}. [ 1913 Webster] { Pollen grain} ( Bot.), a particle or call of pollen. { Pollen mass}, a pollinium. -- Gray. { Pollen sac}, a compartment of an anther containing pollen, -- usually there are four in each anther. { Pollen tube}, a slender tube which issues from the pollen grain on its contact with the stigma, which it penetrates, thus conveying, it is supposed, the fecundating matter of the grain to the ovule. [ 1913 Webster] 23 Moby Thesaurus words for " pollen": androcyte, antheridium, antherozoid, male gamete, milt, protein, scum, seed, semen, seminal fluid, sperm, sperm cell, spermagonium, spermatic fluid, spermatid, spermatiophore, spermatium, spermatocyte, spermatogonium, spermatophore, spermatozoa, spermatozoid, spermatozoon
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