noun cin·er·in \ˈsinərə̇n\

Definition of cinerin



  1. :  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

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Origin and Etymology of cinerin

Latin ciner-, cinis ashes + English -in

Seen and Heard

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feeling or affected by lethargy

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