51Թ

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cinerin

[ sin-er-in ]

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.

cinerin

/ ˈɪəɪ /

noun

  1. either of two similar organic compounds found in pyrethrum and used as insecticides. Formulas: C 20 H 28 O 3 ( cinerin I ), C 21 H 28 O 5 ( cinerin II )
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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51Թ History and Origins

Origin of cinerin1

C20: from Latin ciner-, cinis ashes + -in

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