rosin – מילון אנגלי-אנגלי
rosin
v.
rub with rosin, treat with rosin
n.
(Chemistry) yellowish or brownish resin derived from the oleoresin or wood of pine trees (commonly used in varnishes, inks, and as a treatment for the bow of some musical instruments)
Rosin
Rosin, also called
colophony or
Greek pitch (
Pix græca), is a solid form of
resin obtained from
pines and some other
plants, mostly
conifers, produced by heating fresh liquid resin to vaporize the
volatile liquid
terpene components. It is semi-transparent and varies in color from yellow to black. At room temperature rosin is brittle, but it melts at stove-top temperature. It chiefly consists of various
resin acids, especially
abietic acid. The term "colophony" comes from
colophonia resina or "resin from the pine trees of
Colophon," an ancient
Ionic city.
rosin
Noun
1. any of a class of solid or semisolid viscous substances obtained either as exudations from certain plants or prepared by polymerization of simple molecules
(synonym) resin
(hypernym) organic compound
(hyponym) East India kino, Malabar kino, kino gum
Verb
1. rub rosin onto; "rosin the violin bow"
(hypernym) rub
(derivation) resin
Rosin
(v. t.)
To rub with rosin, as musicians rub the bow of a violin.
(n.)
The hard, amber-colored resin left after distilling off the volatile oil of turpentine; colophony.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
About
Rosin
Properly "naphtha," as it is both in the LXX. and the Vulgate, as well as in the Peshito-Syriac. Pliny mentions naphtha as a product of Babylonia, similar in appearance to liquid bitumen, and having a remarkable affinity to fire.
Smith's Bible Dictionary (1884) , by William Smith.
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