• IPA: /kənˈdɛns/

condense (condenses, present participle condensing; past and past participle condensed)

  1. (transitive) To concentrate toward the essence by making more close, compact, or dense, thereby decreasing size or volume.
    Synonyms: thicken, simplify, reduce, Thesaurus:compress
    Antonyms: dilute
    An abridged dictionary can be further condensed to pocket size.
    Boiling off water condenses a thin sauce into a soupier mixture.
    • 1667, John Milton, “Book 1”, in Paradise Lost. A Poem Written in Ten Books, London: Printed [by Samuel Simmons], and are to be sold by Peter Parker […] [a]nd by Robert Boulter […] [a]nd Matthias Walker, […], OCLC 228722708 ↗; republished as Paradise Lost in Ten Books: The Text Exactly Reproduced from the First Edition of 1667: […], London: Basil Montagu Pickering […], 1873, OCLC 230729554 ↗:
      In what shape they choose, / Dilated or condensed, bright or obscure.
    • The secret course pursued at Brussels and at Madrid may be condensed into the usual formula, dissimulation, procrastination, and again dissimulation.
  2. (transitive, chemistry) To transform from a gaseous state into a liquid state via condensation.
  3. (intransitive, chemistry) To be transformed from a gaseous state into a liquid state.
    Water condenses on the window on cold days because of the warm air inside.
Related terms Translations Translations Translations
  • French: se condenser
  • German: kondensieren
  • Italian: condensarsi
  • Portuguese: condensar-se
  • Russian: конденси́роваться
  • Spanish: condensarse


  1. (archaic) Condensed; compact; dense.
    • The huge condense bodies of planets.

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