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

/ ˈsɪnərɪn /

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 )

Word History and Origins

Origin of cinerin¹

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