monoterpenen.
/ˌmɒnə(ʊ)ˈtəːpiːn/, U.S. /ˌmɑnoʊˈtərˌpin/ Chemistry.
A terpene composed of two isoprene units; (also) a monoterpenoid.
ΚΠ
1930 J. W. Baker Nat. Terpenes i. 2 The simplest and most fully investigated are the monoterpenes, C10H16.
1977 Sci. Amer. Feb. 135/1 The beer you drink gets its special bitter aroma mainly from the monoterpene myrcene.
1985 A. Streitwieser & C. H. Heathcock Introd. Org. Chem. (ed. 3) xxxiv. 1130 Menthol (peppermint oil), β-pinene (turpentine), and camphor..are examples of cyclic monoterpenes.
1998 New Scientist 31 Oct. 32/3 The gene encodes an enzyme called limonene synthase, which citrus plants use to synthesis scent molecules known as monoterpenes.
This is a new entry (OED Third Edition, December 2002; most recently modified version published online March 2022).
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