|1.||Also called: colophony a translucent brittle amber substance produced in the distillation of crude turpentine oleoresin and used esp in making varnishes, printing inks, and sealing waxes and for treating the bows of stringed instruments|
|2.||(not in technical usage) another name for resin|
|3.||(tr) to treat or coat with rosin|
|[C14: variant of |
|noting compounds that readily decompose or change into other compounds|
|a double sulfate analogous to potassium alum, as aluminum ammonium sulfate, with the formula R2SO4?X2(SO4)3?24H2O, where R is alkali metal or ammonium|
rosin ros·in (rŏz'ĭn)
A translucent yellowish to dark brown resin derived from the stumps or sap of various pine trees and used as an adhesive in plasters and as a stimulant in ointments.
found only in Authorized Version, margin, Ezek. 27:17, Heb. tsori, uniformly rendered elsewhere "balm" (q.v.), as here in the text. The Vulgate has resinam, rendered "rosin" in the Douay Version. As used, however, by Jerome, the Lat. resina denotes some odoriferous gum or oil.
translucent, brittle, friable resin used for varnish and in manufacturing many products. It becomes sticky when warm and has a faint pinelike odour. Gum rosin consists of the residue obtained upon distillation of the oleoresin (a natural fluid) from pine trees (the volatile component is spirit of turpentine); wood rosin, obtained by solvent extraction of the stumps, is usually of a darker colour
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