• synonyms


[kuh n-den-ser]
  1. a person or thing that condenses.
  2. an apparatus for condensing.
  3. any device for reducing gases or vapors to liquid or solid form.
  4. Optics. a lens or combination of lenses that gathers and concentrates light in a specified direction, often used to direct light onto the projection lens in a projection system.
  5. Electricity. capacitor.
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Origin of condenser

First recorded in 1680–90; condense + -er1
Related formsin·ter·con·dens·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for condenser

Historical Examples

  • Roger shut off the engine and followed by the others, he darted to the condenser.

    The Forbidden Trail

    Honor Willsie

  • I'm sure they'll be interested in finishing the condenser for me.

    The Forbidden Trail

    Honor Willsie

  • When the meteor pierced the turbine, the water in the condenser began to boil.

    All Day September

    Roger Kuykendall

  • It is recommended that each ship be given its own condenser.

  • This knob here controls a condenser, and this one a transformer.

British Dictionary definitions for condenser


    1. an apparatus for reducing gases to their liquid or solid form by the abstraction of heat
    2. a device for abstracting heat, as in a refrigeration unit
  1. a lens that concentrates light into a small area
  2. another name for capacitor
  3. a person or device that condenses
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for condenser


1680s, agent noun from condense. Given a wide variety of technical uses in late 18c. and 19c.

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Online Etymology Dictionary, © 2010 Douglas Harper

condenser in Medicine


  1. An apparatus for cooling a gas in order to convert it to to a liquid.
  2. An instrument for packing a material into a cavity of a tooth.
  3. The simple or compound lens on a microscope that is used to focus light on the specimen under observation.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

condenser in Science


  1. An apparatus used to condense vapor, usually using cooling or pressurization.
  2. See capacitor.
  3. A mirror, lens, or combination of lenses used to gather light and direct it upon an object or through a projection lens.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.