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ternately
terne
terneplate
Terni
ternib
ternim
Ternion
ternis
terob
teroc
terod
terotechnology
terpeneless
terpenoid
Terpentic
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Terpilene
Terpin
terpineol
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Terpsichore
terpsichorean
terr
terra

terpene definitions

WordNet (r) 3.0 (2005)

n
1: an unsaturated hydrocarbon obtained from plants

Merriam Webster's

noun Etymology: International Scientific Vocabulary terp- (from German Terpentin turpentine, from Medieval Latin terbentina) + -ene more at turpentine Date: circa 1873 any of various isomeric hydrocarbons C10H16 found present in essential oils (as from conifers) and used especially as solvents and in organic synthesis; broadly any of numerous hydrocarbons (C5H8)n found especially in essential oils, resins, and balsams terpeneless adjective terpenoid adjective or noun

Oxford Reference Dictionary

n. Chem. any of a large group of unsaturated cyclic hydrocarbons found in the essential oils of plants, esp. conifers and oranges. Etymology: terpentin obs. var. of TURPENTINE

Webster's 1913 Dictionary

Terpene Ter"pene, n. [See Turpentine.] (Chem.) Any one of a series of isomeric hydrocarbons of pleasant aromatic odor, occurring especially in coniferous plants and represented by oil of turpentine, but including also certain hydrocarbons found in some essential oils.

Webster's 1913 Dictionary

Turpentine Tur"pen*tine, n. [F. t['e]r['e]bentine, OF. also turbentine; cf. Pr. terebentina, terbentina, It. terebentina, trementina; fr. L. terebinthinus of the turpentine tree, from terebinthus the turpentine tree. Gr. ?, ?. See Terebinth.] A semifluid or fluid oleoresin, primarily the exudation of the terebinth, or turpentine, tree (Pistacia Terebinthus), a native of the Mediterranean region. It is also obtained from many coniferous trees, especially species of pine, larch, and fir. Note: There are many varieties of turpentine. Chian turpentine is produced in small quantities by the turpentine tree (Pistacia Terebinthus). Venice, Swiss, or larch turpentine, is obtained from Larix Europ[ae]a. It is a clear, colorless balsam, having a tendency to solidify. Canada turpentine, or Canada balsam, is the purest of all the pine turpentines (see under Balsam). The Carpathian and Hungarian varieties are derived from Pinus Cembra and Pinus Mugho. Carolina turpentine, the most abundant kind, comes from the long-leaved pine (Pinus palustris). Strasburg turpentine is from the silver fir (Abies pectinata). Oil of turpentine (Chem.), a colorless oily hydrocarbon, C10H16, of a pleasant aromatic odor, obtained by the distillation of crude turpentine. It is used in making varnishes, in medicine, etc. It is the type of the terpenes and is related to cymene. Called also terebenthene, terpene, etc. Turpentine moth (Zo["o]l.), any one of several species of small tortricid moths whose larv[ae] eat the tender shoots of pine and fir trees, causing an exudation of pitch or resin. Turpentine tree (Bot.), the terebinth tree, the original source of turpentine. See Turpentine, above.



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