menthane


menthane

menthane nom masculin Hydrocarbure monocyclique C10H20, dont le squelette carboné est celui du menthol et de nombreux monoterpènes cycliques.

⇒MENTHANE, subst. masc.
CHIM. Chacun des trois hydrocarbures isomères de formule C10 H20 (orthomenthane, métamenthane et paramenthane) apparentés aux terpènes (d'apr. Méd. Biol. t. 2 1971). Le p[ara]-menthane ou menthane proprement dit (DUVAL 1959).
Prononc.: []. Étymol. et Hist. 1931 (Lar. 20e). Dér. de menthe; suff. -ane.
DÉR. 1. Menthanol, subst. masc. ,,Nom générique des mono-alcools C10 H20 O dérivés des menthanes`` (DUVAL 1959). []. 1re attest. 1931 (Lar. 20e); de menthane, suff. -ol. 2. Menthanone, subst. fém. ,,Nom générique donné aux différentes cétones correspondantes aux menthanes`` (DUVAL 1959). []. 1re attest. 1931 (Lar. 20e); de menthane, suff. -one.

menthane [mɛ̃tan] n. m.
ÉTYM. 1931; de menthe, et -ane.
Chim. Hydrocarbure saturé dont la chaîne est un des constituants de la plupart des terpènes monocycliques.
DÉR. Menthanol, menthanone.

Encyclopédie Universelle. 2012.

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