An engravers' tool, used for producing a series of dots on a copperplate, and in mezzotint to darken any part which has been too much burnished, A game of chance, played at a table, in the center of which is a cavity surmounted by a revolving disk, the circumference of which is generally divided into 38 compartments colored black and red alternately, and numbered 1 to 36, with a zero and double zero, A similar wheel used to roughen the surface of a plate, as in making alterations in a mezzotint, transitive verb_ To make short incisions in with a roulette; to separate by incisions made with a roulette
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