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[kuh n-dens] /kənˈdɛns/
verb (used with object), condensed, condensing.
to make more dense or compact; reduce the volume or extent of; concentrate.
to reduce to a shorter form; abridge:
Condense your answer into a few words.
to reduce to another and denser form, as a gas or vapor to a liquid or solid state.
verb (used without object), condensed, condensing.
to become denser or more compact or concentrated.
to reduce a book, speech, statement, or the like, to a shorter form.
to become liquid or solid, as a gas or vapor:
The steam condensed into droplets.
Origin of condense
1475-85; < Middle French condenser < Latin condēnsāre, equivalent to con- con- + dēnsāre to thicken, verbal derivative of dēnsus dense
Related forms
overcondense, verb, overcondensed, overcondensing.
precondense, verb, precondensed, precondensing.
recondense, verb, recondensed, recondensing.
uncondensing, adjective
1. compress, consolidate. 2. digest, epitomize, abstract, abbreviate. See contract.
1. expand. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for condensing
  • The squeezed air goes up, condensing its water vapor and giving off heat.
  • Changes of state involve a solid melting, a liquid freezing, a liquid boiling or a gas condensing.
  • He had trouble condensing his complex ideas into the time he had.
  • We revised this candidate's original vita, condensing information to make the primary contents stand out on first reading.
  • Still, for all its immensity, the province has a knack for condensing its wonders into accessible packages.
  • Air circulation systems had to be retrofitted in an effort to reduce salt buildups condensing from thousands of human breaths.
  • The furnace then takes the heat from the steam, condensing it back into water.
  • condensing shopping trips and errands reduces air pollution, saves gas and oil, and cuts down on wear and tear on the car.
  • It hits the western slopes and rises, condensing to rain and snow.
  • Bright points of light amid the fiery background are signs of dust and gas condensing to become the seeds of future stars.
British Dictionary definitions for condensing


(transitive) to increase the density of; compress
to reduce or be reduced in volume or size; make or become more compact
to change or cause to change from a gaseous to a liquid or solid state
(chem) to undergo or cause to undergo condensation
Derived Forms
condensable, condensible, adjective
condensability, condensibility, noun
Word Origin
C15: from Latin condēnsāre, from dēnsāre to make thick, from dēnsusdense
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
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Word Origin and History for condensing



early 15c., from Middle French condenser (14c.) or directly from Latin condensare "to make dense," from com-, intensive prefix (see com-), + densare "make thick," from densus "dense, thick, crowded," a word used of crowds, darkness, clouds, etc. (see dense).

Online Etymology Dictionary, © 2010 Douglas Harper
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