| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024ros•in /ˈrɑzɪn/USA pronunciation n. [uncountable]- Chemistrya yellowish, brittle substance that remains after removing turpentine oil from pine oil:Rosin is used in making varnishes.
- resin.
WordReference Random House Unabridged Dictionary of American English © 2024ros•in (roz′in),USA pronunciation n. Also called colophony. - Chemistrythe yellowish to amber, translucent, hard, brittle, fragmented resin left after distilling the oil of turpentine from the crude oleoresin of the pine: used chiefly in making varnishes, varnish and paint driers, printing inks, and for rubbing on the bows of such string instruments as the violin.
- resin.
v.t. - to cover or rub with rosin.
- Old French, variant of resine resin
- Middle English 1300–50
Collins Concise English Dictionary © HarperCollins Publishers:: rosin /ˈrɒzɪn/ n
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- (not in technical usage) another name for resin
vb - (transitive) to treat or coat with rosin
Etymology: 14th Century: variant of resinˈrosiny adj |