CONDENSER
capacitor, capacitance, condenser, electrical condenser
(noun) an electrical device characterized by its capacity to store an electric charge
condenser, optical condenser
(noun) lens used to concentrate light on an object
condenser
(noun) a hollow coil that condenses by abstracting heat
condenser
(noun) an apparatus that converts vapor into liquid
Source: WordNet® 3.1
Etymology
Noun
condenser (plural condensers)
A device designed to condense a gas into a liquid, either as part of a still, steam engine, refrigerator or similar machine.
(electronics) A capacitor.
(optics) A lens (or combination of lenses) designed to gather light and focus it onto a specimen or part of a mechanism.
A dental instrument used to pack filling into a cavity in a tooth.
Source: Wiktionary
Con*dens"er, n.
1. One who, or that which, condenses.
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.
3. (Chem.)
Definition: An apparatus for receiving and condensing the volatile products
of distillation to a liquid or solid form, by cooling.
4. (Steam Engine)
Definition: 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. 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.
Source: Webster’s Unabridged Dictionary 1913 Edition