condenser

noun

con·​dens·​er kən-ˈden(t)-sər How to pronounce condenser (audio)
1
: one that condenses: such as
a
: a lens or mirror used to concentrate light on an object
b
: an apparatus in which gas or vapor is condensed
2

Examples of condenser in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Replacing air filters regularly, cleaning outdoor condenser coils and scheduling annual professional tune-ups can help an air conditioner maintain peak efficiency. Angelica Leicht, CBS News, 30 June 2026 Before heatwaves hit, have a technician inspect and clean key components like the condenser coils, fan, capacitor, blower, and refrigerant lines. Caroline Lubinsky, Martha Stewart, 30 June 2026 Mini or ductless splits don’t have the ductwork that central air has, instead having an outdoor unit with a condenser and fan and an indoor unit that’s usually mounted on the wall to circulate cool air. Karen Brewer Grossman, Southern Living, 23 June 2026 Meanwhile, the vapor passes through a condenser and turns back into a liquid so that it can be used for the next cycle. Aman Kumar, Encyclopedia Britannica, 18 June 2026 See All Example Sentences for condenser

Word History

First Known Use

1686, in the meaning defined at sense 1

Time Traveler
The first known use of condenser was in 1686

Cite this Entry

“Condenser.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/condenser. Accessed 5 Jul. 2026.

Kids Definition

condenser

noun
con·​dens·​er kən-ˈden(t)-sər How to pronounce condenser (audio)
1
: one that condenses
2

Medical Definition

condenser

noun
con·​dens·​er kən-ˈden(t)-sər How to pronounce condenser (audio)
1
a
: a lens or mirror used to concentrate light on an object
b
: an apparatus in which gas or vapor is condensed
2

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