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单词 θ72007
释义
the world > matter > properties of materials > temperature > heat > heating or making hot > that which or one who heats > [noun] > a device for heating or warming > devices for heating buildings, rooms, etc. > chimney > plate or hood to control draught (8)
cowc1736

= cowl, n.1 4.

hood1750

Applied to various things serving for a covering, capping, or protection, or resembling a hood in… ‘A dome-shaped projection or canopy over a…

damping1756

The action of damp, v. Also attributive, as in damping-machine, damping-plate (= damper, n. 3).

damper1788

A metal plate made to turn or slide in a flue or chimney, so as to control the combustion by regulating or stopping the draught.

air damper1794

(a) = damper, n. 3 (now rare); (b) a device using compressed air to damp mechanical vibrations.

cowl1812

A covering, commonly shaped like a hood, placed on the top of a chimney or ventilating shaft to assist ventilation; usually constructed so as to…

back-draught1825

(a) a draught of air backward, a hood for producing this in a fire; (b) a drawing in of the breath; an act of drinking or gulping down Scottish

mitre1890

A chimney cowl (see quot. 1890). Obsolete.

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