bi cyclic terpene

bicyclic terpene

noun Chemistry.
See under terpene ( def 2 ).
Dictionary.com Unabridged

ter·pene

[tur-peen]
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.

Origin:
1865–70; alteration of terebene, with p from turpentine

ter·pene·less, adjective
ter·pe·nic [tur-pee-nik] , adjective
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
terpene (ˈtɜːpiːn) [Click for IPA pronunciation guide]
 
n
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 terpentineturpentine + -ene]
 
ter'penic
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
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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American Heritage
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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