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单词 cinerin
释义

cinerin

noun

cin·​er·​in
ˈsinərə̇n
plural -s
: either of two oily liquid esters C20H28O3 and C21H28O5 of cinerolone having high insecticidal properties and occurring in pyrethrum flowers and distinguished by the numerals I and II

Word History

Etymology

Latin ciner-, cinis ashes + English -in

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更新时间:2024/12/23 22:55:26