dust chamber (dust cham"ber)

closed flue or chamber filled with deflectors, in dust-shot (dust's hot), n. The smallest size of which the products of combustion from an ore roasting furnace are allowed to settle, the heavier and more valuable portions being left in the dust-chamber, and the volatile portions pa ing out through the chimney or other es cape. A grooved ring dust-collar (dust'kol"är), n . or flange placed between the hub of a wheel and the journal, to hold a dust-guard and keep the axle-box clean. duster (dus'ter), n. 1. One who dusts.-2. That which is used in dusting or removing dust, as a piece of cloth or a brush. A kind of cloth especially for use in the form of dusters is made of cotton, or of linen and cotton, generally twilled, woven plain or with a checked pattern, and sold by the yard, and also in separate squares, like handkerchiefs. 3. A fine sieve.-4. A machine for sifting dry poi so poisons upon plants, to destroy insects. E. H. Knight . 5. A light overcoat or wrap cially in traveling. worn to protect the clothing from dust, espe- With February came the Carnival... Hawthorne . accepted its liberties with great good humor. He used to stroll along the streets, with a linen duster over his black coat. J. Hawthorne, Nathaniel Hawthorne, II. v. A dust-bin. Our dusthole ain't been hemptied this week, so all the stuff is running into the sile. Quoted in First Year of a Silken Reign , p. 80. dush), appar. of Scand. origin: shot. Also called mustard - seed. Mustard-seed or dust - shot, as it is variously called. Coues . A storm of wind