hemiterpene

[ hem-i-tur-peen ]
/ ˌhɛm ɪˈtɜr pin /

noun Chemistry.

See under terpene(def 2).

Origin of hemiterpene

hemi- + terpene

Words nearby hemiterpene

hemispheric, hemispherical, hemispheroid, hemistich, hemisystole, hemiterpene, hemithorax, hemitrope, hemivertebra, hemizygosity, hemizygote

Definition for hemiterpene (2 of 2)

terpene
[ tur-peen ]
/ ˈtɜr pin /

noun Chemistry.

(originally) any of a class of monocyclic hydrocarbons of the formula C10H16, obtained from plants.
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 of terpene

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

OTHER WORDS FROM terpene

ter·pene·less, adjective ter·pe·nic [tur-pee-nik] /tɜrˈpi nɪk/, adjective

British Dictionary definitions for hemiterpene (1 of 2)

hemiterpene
/ (ˌhɛmɪˈtɜːpiːn) /

noun

any of a class of simple unsaturated hydrocarbons, such as isoprene, having the formula C 5 H 8

British Dictionary definitions for hemiterpene (2 of 2)

terpene
/ (ˈtɜːpiːn) /

noun

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 (C 5 H 8) n

Derived forms of terpene

terpenic, adjective

Word Origin for terpene

C19: terp- from obsolete terpentine turpentine + -ene

Medical definitions for hemiterpene

terpene
[ tûr′pēn′ ]

n.

Any of various unsaturated hydrocarbons in essential oils and certain resins of plants and used in organic syntheses.

Scientific definitions for hemiterpene

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.