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Any of various unsaturated hydrocarbons, C10H16, found in essential oils and oleoresins of plants such as conifers and used in organic syntheses.

[Obsolete terp(entine), variant of turpentine + -ene.]

ter·pe′nic adj.
ter′pe·noid′ adj. & n.


(Elements & Compounds) 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
[C19: terp- from obsolete terpentine turpentine + -ene]
terˈpenic adj


(ˈtɜr pin)

1. any of a class of monocyclic hydrocarbons of the formula C10H16, obtained from plants.
2. any of the oxygenated derivatives of this class.
[1870–75; terp(entine), earlier sp. of turpentine + -ene]
ter•pe′nic, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.terpene - an unsaturated hydrocarbon obtained from plants
hydrocarbon - an organic compound containing only carbon and hydrogen
limonene - a liquid terpene with a lemon odor; found in lemons and oranges and other essential oils
References in periodicals archive ?
5] In the previous study, red betel leaf Simplicia contained alkaloids, polyphenolics, tannins, flavonoids, quinones, steroids, monoterpenoids, sesquiterpenoids, and saponins.
Cytotoxic bibenzyls, and germacrane-and pinguisane-type sesquiterpenoids from Indonesian, Tahitian and Japanese liverworts.
The composition of the flower essential oil obtained from samples collected in the localities of Miramar and Pavas were dominated by sesquiterpenoids (86.
Sesquiterpenoids from this weed have hepatotoxicity and possess insect repellent and insecticidal activity (Bhardwaj et al.
Sesquiterpenoids from the fruits of Ferula kuhistanica and antibacterial activity of the constituents of F.
The main composition of the volatile oil is sesquiterpenoids and monoterpene.
Urologists, biologists, cancer specialists, pharmacologists, and other researchers from the US, Asia, Australia, and the UK address treatments like plant extracts, herbal formulations, natural products, yoga, acupuncture, naturopathy, Ayurveda, homeopathy, Siddha medicine, triterpenoids and sesquiterpenoids, green tea polyphenols, plumbagin, neem, kava, bitter melon extract, pomegranate, Zyflamend, and Pomi-T.
From the first collection to the last collection, the concentrations of monoterpenes, monoterpenoids, sesquiterpenes, and sesquiterpenoids varied from 2.
The rhizome part of this plant is considered to have beneficial medicinal properties because it contains a number of sesquiterpenoids, monoterpenoids, and curcuminoids (8,9).
pumila essential oil obtained from plants collected in Maria la Baja, Colombia, reveals the predominance of sesquiterpenoids compounds, principally, E-E-10,11-Epoxy farnesenic acid methyl ester (juvenile hormone III, JH III).
Furthermore, the oxygenated sesquiterpenoids were detected in small percentages, between 1 and 2%, in all seasons.