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Definition of "radiator" []

  • A heating device consisting of a series of connected pipes, typically inside an upright metal structure, through which steam or hot water is circulated so as to radiate heat into the surrounding space. (noun)
  • A cooling device, as in automotive engines, through which water or other fluids circulate as a coolant. (noun)
  • Physics A body that emits radiation. (noun)
  • A transmitting antenna. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "radiator" in a sentence
  • "This radiator is connected to your sanitary system."
  • "You wrote "the radiator is neatly tucked in between the front frame rails"."
  • "V-twin -- the radiator is neatly tucked in between the front frame rails, check out the patent images for details."