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


Latin ciner-, cinis ashes + English -in

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Dictionary Entries Near cinerin

Cite this Entry

“Cinerin.” Dictionary, Merriam-Webster, Accessed 3 Oct. 2023.

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