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1. a fluid used to cool a system or to transfer heat from one part of it to another
2. a liquid, such as an emulsion of oil, water, and soft soap, used to lubricate and cool the workpiece and cutting tool during machining
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
A cutting fluid for machine operations, which keeps the tool cool to prevent reduction in hardness and resistance to abrasion, and prevents distortion of the work.
A substance, ordinarily fluid, used for cooling any part of a reactor in which heat is generated.
In general, any cooling agent, usually a fluid.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
cooling medium, coolant
A fluid which conducts heat from one or more heat sources and transports it to a heat exchanger, where the heat is removed and disposed of.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.