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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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(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.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The study said its extract contains chemical substances such as steroids, triterpenes, saponins and flavonoids
The early herbalists used the plant as a standard treatment for gangrene, sores, dislocated joints, fistulas, the overgrown liver, and wounds; it contains a remarkable set of compounds for such an insignificant plant principally iridoids, glycosides, anthroquinones, phenols and mono and triterpenes. And although it was used by 20 th century herbalists to treat tuberculosis and all forms of internal and external bleeding the plant no longer has the prominence it once held.
Numerous diterpenes and triterpenes have been isolated (Patel, Rojas-Vera, Dacke, 2004), some of them with taxonomic significance such as rubusoside and suavioside (Seto, Tanaka, & Tanaka, 1984).
Paradigm's offerings include Venus Bark Extract (Betula alba bark extract), a unique plant-derived compound of triterpenes extracted from the outer bark of the white birch tree of North America.
Previous phytochemical studies of this genus yielded; dihydroisocoumarins, benzyl phthalides, favonoids, lignans, neolignans, bibenzyl derivatives, phenolic acid derivatives, kavalactones, sesquiterpenes and triterpenes (Sari 2012; Granica et al.
These effects can be attributed to the presence of substantial and possible synergies of the chemical components viz., anthraquinones, coumarins, anthracene derivatives, mono-, sesqui- and diterpenes, triterpenes and steroids, as well as water-soluble tannins.
Constituents of Satureia calamintha, application of Eu(fod)2 to the assignments of methyl resonances of triterpenes related to 12-ursene, Org.
The phytochemical prospection occurred through characterization reactions, evaluating the presence of phenolic compounds, tannins, flavonoids, free coumarins, anthocyanins, anthraquinone, steroids, triterpenes, alkaloids, saponins, cardiotonic glycosides, cyanogenic heterosides and reducing sugar, all analyzes were performed in triplicate following methodology adapted by Matos (2009).
Zen Nutrients Onco-V Capsules contain resveratrol, green tea extract, quercetin, turkey tail mushrooms, turmeric, garlic, ginger, ginseng, tocotrienols, triterpenes, vitamins A, B, C, D, and E, selenium, zinc, manganese, and molybdenum.
Anthraquinones such as chrysophanol (1,8-dihydroxy-3methylanthraquinone) and physcione (1,8-dihydroxy-3methyl-6-methoxy-anthraquinone) (Figure 1), triterpenes such as lupeol ([beta]-lup-20 (29)-en-3-ol), and flavonoids such as quercetin are commonly identified in various species of Senna.
In addition, several types of terpenoids or terpenes ([C.sub.10][H.sub.16]), such as diterpenes ([C.sub.20]), triterpenes ([C.sub.30]), tetraterpenes ([C.sub.40]), hemiterpenes ([C.sub.5]), and sesquiterpenes ([C.sub.15]), have also effective antifungal activity [16].