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condenser 音标拼音: [kənd'ɛnsɚ]
n. 凝结器,冷凝器,冷却器 凝结器,冷凝器,冷却器 condenser电容器 condenser n 1: an electrical device characterized by its capacity to store an electric charge [ synonym: { capacitor}, { capacitance}, { condenser}, { electrical condenser}] 2: an apparatus that converts vapor into liquid 3: a hollow coil that condenses by abstracting heat 4: lens used to concentrate light on an object [ synonym: { condenser}, { optical condenser}] Condenser \ Con* dens" er\, n. 1. One who, or that which, condenses. [ 1913 Webster] 2. ( Physic) ( a) An instrument for condensing air or other elastic fluids, consisting of a cylinder having a movable piston to force the air into a receiver, and a valve to prevent its escape. ( b) An instrument for concentrating electricity by the effect of induction between conducting plates separated by a nonconducting plate. ( c) A lens or mirror, usually of short focal distance, used to concentrate light upon an object. [ 1913 Webster] 3. ( Chem.) An apparatus for receiving and condensing the volatile products of distillation to a liquid or solid form, by cooling. [ 1913 Webster] 4. ( Steam Engine) An apparatus, separate from the cylinder, in which the exhaust steam is condensed by the action of cold water or air. See Illust. of { Steam engine}. [ 1913 Webster] { Achromatic condenser} ( Optics), an achromatic lens used as a condenser. { Bull' s- eye condenser}, or { Bull' s- eye} ( Optics), a lens of short focal distance used for concentrating rays of light. { Injection condenser}, a vessel in which steam is condensed by the direct contact of water. { Surface condenser}, an apparatus for condensing steam, especially the exhaust of a steam engine, by bringing it into contact with metallic surface cooled by water or air. [ 1913 Webster]
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