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sesquiterpene

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Standardised 16% sesquiterpenes Important clinical validation
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ses⋅qui⋅ter⋅pene

  [ses-kwi-tur-peyn]
Use sesquiterpene in a Sentence
–noun Chemistry.
See under terpene.
Origin:
1885–90; sesqui- + terpene
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Standardised 16% sesquiterpenes Important clinical validation
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ter⋅pene

  [tur-peen]
–noun Chemistry.
1. (originally) any of a class of monocyclic hydrocarbons of the formula C10H16, obtained from plants.
2. this class or any of its oxygenated derivatives, any hydrocarbon from the same source having the formula C5H8 (hemiterpene), the formula C10H16 with an aliphatic structure (acyclic terpene) or two-ringed structure (bicyclic terpene), the formula C15H24 (sesquiterpene), etc., and any of their oxygenated derivatives.
Origin:
1865–70; alter. of terebene, with p from turpentine

Related forms:
ter⋅pene⋅less, adjective
ter⋅pe⋅nic  [tur-pee-nik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: ses·qui·ter·pene
Pronunciation: "ses-kwi-'t&r-"pEn
Function: noun
: any of a class of terpenesC15H24 containing half again as many atoms in each molecule as monoterpenes; also : a derivative of such a terpene

Main Entry: ter·pene
Pronunciation: 't&r-"pEn
Function: noun
: any of various isomeric hydrocarbons C10H16 found present inessential oils (as from conifers) and used especially as solvents and in organic synthesis; broadly : any of numerous hydrocarbons (C5H8)n foundespecially in essential oils, resins, and balsams —ter·pene·less /-l&s/ adjective —ter·pe·nic /"t&r-'pE-nik,-'pen-ik/ adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

terpene ter·pene (tûr'pēn')
n.
Any of various unsaturated hydrocarbons in essential oils and certain resins of plants and used in organic syntheses.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
terpene   (tûr'pēn')  Pronunciation Key 
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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