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单词 cinerin
释义
cin·er·in (sĭnər-ĭn)
n.
Either of two viscous liquid esters, C20H28O3 or C21H28O5, occurring naturally in pyrethrum plants and used as insecticides.

[New Latin ciner(ariifolium), specific epithet of Tanacetum cinerariifolium, the species of pyrethrum from which the esters were originally derived (Latin cinerārius, of or for ashes (in reference to the cinereous leaves), from cinis, ciner-, ashes + folium, leaf) + -IN.]
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