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refrigerant

[ri-frij-er-uh nt]
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adjective
  1. refrigerating; cooling.
  2. reducing bodily heat or fever.
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noun
  1. a refrigerant agent, as a drug.
  2. a liquid capable of vaporizing at a low temperature, as ammonia, used in mechanical refrigeration.
  3. a cooling substance, as ice or solid carbon dioxide, used in a refrigerator.
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Origin of refrigerant

1590–1600; < Latin refrīgerant- (stem of refrīgerāns), present participle of refrīgerāre. See refrigerate, -ant
Related formsnon·re·frig·er·ant, adjective, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for refrigerant

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British Dictionary definitions for refrigerant

refrigerant

noun
  1. a fluid capable of changes of phase at low temperatures: used as the working fluid of a refrigerator
  2. a cooling substance, such as ice or solid carbon dioxide
  3. med an agent that provides a sensation of coolness or reduces fever
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adjective
  1. causing cooling or freezing
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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 refrigerant

adj.

1590s, originally in medicine; from Latin refrigerans, present participle of refrigerare "make cool or cold" (see refrigeration). As a noun from 1670s.

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Online Etymology Dictionary, © 2010 Douglas Harper

refrigerant in Medicine

refrigerant

(rĭ-frĭjər-ənt)
adj.
  1. Cooling or freezing; refrigerating.
  2. Reducing fever.
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n.
  1. A substance, such as air, ammonia, water, or carbon dioxide, used to provide cooling either as the working substance of a refrigerator or by direct absorption of heat.
  2. An agent used to reduce fever.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

refrigerant in Science

refrigerant

[rĭ-frĭjər-ənt]
  1. A substance, such as ice or ammonia, used to cool something by absorbing heat from it. Refrigerants are usually substances that evaporate quickly. In the process of evaporation they draw heat from surrounding substances.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.