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rosins

  • present tense form
    of rosin (3rd person singular).
    rosin
    noun
    the 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.

Example Sentences

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Appropriate tests of those ingredients made separately on the skins of volunteers demonstrated that, apart from maceration and mechanical injury, rosins, pitch and smoke-cured wild rubber are the chief irritants.

From Time Magazine Archive

Materials Used.—Various oils, fats and rosins are also used, and some acids in water are also valuable for this purpose.

From Practical Mechanics for Boys by James Slough Zerbe

The reaction is rather violent, and yields, in addition to well-defined crystalline substances, amorphous bodies resembling rosins.

From Synthetic Tannins by Georg Grasser

It is extraordinary the number and variety of rosins in the market; some in most wonderfully contrived boxes designed to keep the rosin dust from making the fingers sticky, or—more probably—to sell!

From The Bow, Its History, Manufacture and Use 'The Strad' Library, No. III. by Henry Saint-George

See-sawing, t' fiddler now begins The best that he is able; He rosins t' stick an' screws up t' pins An' jumps up on to t' table, To play that neet.

From Yorkshire Dialect Poems (1673-1915) and traditional poems by Frederic William Moorman