資料來源 : Webster's Revised Unabridged Dictionary (1913)
Larch \Larch\, n. [Cf. OE. larege (Cotgrave), It. larice, Sp.
larice, alerce, G. l["a]rche; all fr. L. larix, -icis, Gr.
(?).] (Bot.)
A genus of coniferous trees, having deciduous leaves, in
fascicles (see Illust. of {Fascicle}).
Note: The European larch is {Larix Europ[ae]a}. The American
or black larch is {L. Americana}, the hackmatack or
tamarack. The trees are generally of a drooping,
graceful appearance.
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.