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cinerin

[sin-er-in] /ˈsɪn ər ɪn/
noun, Chemistry
1.
either of two oily, liquid compounds, C 20 H 28 O 3 or C 21 H 28 O 5 , used as insecticides.
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British Dictionary definitions for cinerin

cinerin

/ˈsɪnərɪn/
noun
1.
either of two similar organic compounds found in pyrethrum and used as insecticides. Formulas: C20H28O3 (cinerin I), C21H28O5 (cinerin II)
Word Origin
C20: from Latin ciner-, cinis ashes + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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