“terebenthene”的英文意思_释义_用法

单词

terebenthene

释义

terebenthene Chem.|tɛrɪˈbɛnθiːn|
[a. F. térébenthène, f. F. térébenth-ine, ad. L. terebinthina (rēsīna): see terebinthine, turpentine; with suffix -ene as in benzene.]
Name given by Berthelot to the terpene which forms the chief constituent of French turpentine-oil, obtained from Pinus Pinaster (P. maritima).
Terebenthene is the lævorotary form of pinene, and is now usually called lævopinene, as distinguished from dextropinene, the chief constituent of American turpentine oil (that most used in England), obtained from Pinus australis, whence formerly called Austroterebenthene and Australene.
1857Miller Elem. Chem. III. 439 According to Berthelot, if the ordinary Bordeaux turpentine be distilled in vacuo, after saturating the acids which it contains, a homogeneous hydrocarbon, terebenthene,..is obtained.1873Roscoe Elem. Chem. 426 The best known natural varieties are terebenthene from Pinus maritima..possessing a left-handed rotation of -42° 3′, and Austroterebenthene from Pinus australis.

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