American Heritage® Dictionary of the English Language, Fourth Edition
- n. One that condenses, especially an apparatus used to condense vapor.
- n. See capacitor.
- n. A mirror, lens, or combination of lenses used to gather light and direct it upon an object or through a projection lens.
Century Dictionary and Cyclopedia
- n. One who or that which condenses.
- n. Specifically— Any device for reducing gases or vapors to liquid or solid form. The reduction is usually effected by lowering the temperature of the vapor by contact with chilled surfaces. A form of condenser common in the laboratory is shown in the figure. From the flask, A, the vapor to be condensed escapes through the tube b c, which passes through a larger condenser-tube. A stream of ice-water enters the condenser through d, and passes off through g, keeping the surface of the inner tube, b c, chilled, and the vapor entering the tube from A is condensed and drops from c as a liquid. Condensers used to concentrate vapors or gases, as steam, alcoholic vapors, fumes, volatile liquids, etc., commonly depend upon the reducing effects of a lower temperature. In them the vapor, gas, smoke, or fumes are brought into immediate contact with chilled surfaces. This is accomplished in a great variety of ways, as in the surface condenser of the steam-engine, the worm of a still, or the long convoluted tubes in which poisonous fumes or smoke are cooled before being allowed to escape to the chimney. The cooling surfaces are usually kept cold by water, as in the still, the gas-condenser, the sugar-condenser, etc. For fumes and smoke, the contact with walls exposed to the air is sufficient.
- n. A part of a cotton-gin which compresses the lint for convenient handling.
- n. In wool-manuf., a machine which forms the wool received from the doffer of a carding-engine or comber, and rolls it into slubbings. The doffer of the carding-engine is covered by a series of parallel strips of card-clothing, wrapped about the cylinder. The wool thus comes off in a number of loose flat ribbons of fleece, which in the condensing-machine are carried by a leather apron beneath a roller which has a reciprocating motion transverse to their direction, and thus rolls these slivers into loose slubbings, which are wound upon a roll and are ready for spinning.
- n. In the manufacture of sugar, the apparatus used for concentrating the clarified juice, preparatory to its final concentration in the vacuum or evap-orating-pan. The liquor trickles over the surface of steam-pipes, where heat evaporates the water which constitutes the greater part of the cane-juice.
- n. In optical instruments, a lens, or combination of lenses, used to gather and concentrate the rays of light collected by a mirror and direct them upon the object, as the bull's-eye condenser (see bull's-eye, 9) and the achromatic condenser used with the microscope.
- n. A device for removing from a current of gas such elements as will be caused to fall out from the gas by reducing its temperature. Tar arrd ammonia are separable in this way.
- n. A device designed to condense a gas into a liquid, either as part of a still, steam engine, refrigerator or similar machine.
- n. electronics A capacitor.
- n. optics A lens (or combination of lenses) designed to gather light and focus it onto a specimen or part of a mechanism.
- n. A dental instrument used to pack filling into a cavity in a tooth.
GNU Webster's 1913
- n. One who, or that which, condenses.
- n. 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.
- n. An instrument for concentrating electricity by the effect of induction between conducting plates separated by a nonconducting plate.
- n. A lens or mirror, usually of short focal distance, used to concentrate light upon an object.
- n. (Chem.) An apparatus for receiving and condensing the volatile products of distillation to a liquid or solid form, by cooling.
- n. (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.
- n. an electrical device characterized by its capacity to store an electric charge
- n. lens used to concentrate light on an object
- n. a hollow coil that condenses by abstracting heat
- n. an apparatus that converts vapor into liquid
“A steam condenser is also needed and what has not been mentioned is the cost associated with the type of coolant used for the steam condenser.”
“Carnot points out that, in order for work to be done, we must have a source and a condenser, that is, two bodies at different temperatures, a hot body and a cold one.”
“The gas evolved passes through the pipe _O_ into the condenser, which is packed with coke, through which the gas goes to the pipe _E_ and so to the washer _P_ through the water, in which it bubbles and issues by the pipe _G_ into the gasholder.”
“The still is of tinned copper, two gallon capacity, and the condenser is the usual worm surrounded with cold water.”
“The heat rejected in the condenser is the heat of vaporization taken up in the refrigerator, less the amount due to the higher pressure at which the change in physical state occurs, plus the heat acquired in the pump, and less the amount due to the difference between the temperature at which the vapor is liquefied in the condenser and that at which it entered the pump.”
“The condenser is a flat rectangular wooden vessel, which is surrounded with another one containing cold water.”
“A condenser is a device consisting of two adjacent plates of conducting material, separated by an insulating material, called a _dielectric_.”
“A condenser is a device composed of two or more conductors insulated from each other by a medium called the _dielectric_.”
“The second coil is called a condenser because the vapour was there condensed into a fluid again.”
“A condenser is a form of Leyden jar, suitable for current electricity, and consists of layers of tinfoil separated from each other by sheets of paraffin paper, mica, or some other convenient insulator, and alternate foils are connected together.”
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List of laboratory glassware and apparatuses, machines, tools, etc., starting with burette.
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