单词 | monosiphonous |
释义 | monosiphonous/ˌmɒnə(ʊ)ˈsʌɪfənəs/ /ˌmɒnə(ʊ)ˈsʌɪf(ə)nəs/Botany adjective 1Of an algal stem or filament: composed of a single strand of large elongated cells. Of an alga: having filaments of this kind. 2Of a pollen grain: producing a single pollen tube during germination. Of a pollen tube: single. OriginMid 19th century; earliest use found in William Henry Harvey (1811–1866), botanist. From mono- + siphon + -ous. |
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