Terpene
noun, Chemistry.
1.
(originally) any of a class of monocyclic hydrocarbons of the formula C 10 H 16 , obtained from plants.
2.
this class or any of its oxygenated derivatives, any hydrocarbon from the same source having the formula C 5 H 8 (hemiterpene) the formula C 10 H 16 with an aliphatic structure (acyclic terpene) or two-ringed structure (bicyclic terpene) the formula C 15 H 24 (sesquiterpene) etc., and any of their oxygenated derivatives.
noun
1.
any one of a class of unsaturated hydrocarbons, such as the carotenes, that are found in the essential oils of many plants. Their molecules contain isoprene units and have the general formula (C5H8)n
terpene ter·pene (tûr’pēn’)
n.
Any of various unsaturated hydrocarbons in essential oils and certain resins of plants and used in organic syntheses.
terpene
(tûr’pēn’)
Any of a class of hydrocarbons consisting of two or more isoprene (C5H8) units joined together. Simple terpenes are found in the essential oils and resins of plants such as conifers. Turpentine, for example, is such an oil. More complex terpenes include vitamin A, carotenoid pigments (such as lycopene), squalene, and rubber. Terpenes are used in organic synthesis.
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- Terpeneless
noun, Chemistry. 1. (originally) any of a class of monocyclic hydrocarbons of the formula C 10 H 16 , obtained from plants. 2. this class or any of its oxygenated derivatives, any hydrocarbon from the same source having the formula C 5 H 8 (hemiterpene) the formula C 10 H 16 with an aliphatic structure […]
- Terpenoid
terpenoid (tûr’pə-noid’) Any of a class of hydrocarbons that consist of terpenes attached to an oxygen-containing group. Terpenoids are widely found in plants, and can form cyclic structures such as sterols.
- Terpineol
noun, Chemistry. 1. any of several unsaturated, cyclic, tertiary alcohols having the formula C 10 H 18 O, occurring in nature in many essential oils or prepared synthetically: used chiefly in the manufacture of perfumes. noun 1. a terpene alcohol with an odour of lilac, present in several essential oils. A mixture of the isomers […]
- Terpin-hydrate
[tur-pin] /ˈtɜr pɪn/ noun, Pharmacology. 1. a white, crystalline powder, C 10 H 20 O 2 ⋅H 2 O, usually used in combination with codeine, as an expectorant.
- Terpolymer
noun, Chemistry. 1. a polymer consisting of three different monomers, as ABS resin.