citrene
/ˈsɪtriːn/Chemistry. Now rare
noun
A monocyclic hydrocarbon of the terpene series which is the d-isomer of limonene (hence more usually called d-limonene) and is an orange-scented liquid present in the essential oils of lemon, orange, bergamot, neroli, etc. Also (now historical ): any member of the class of monocyclic terpenes.
- Systematic name: 1-methyl-4-(1-methylethenyl)-cyclohexene; C10H16..
Origin
Mid 19th century. From citro- + -ene, after French citrène.
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