Dictionary.com

radiator

[ rey-dee-ey-ter ]
/ ˈreɪ diˌeɪ tər /
Save This Word!
See synonyms for: radiator / radiators on Thesaurus.com

noun
a person or thing that radiates.
any of various heating devices, as a series or coil of pipes through which steam or hot water passes.
a device constructed from thin-walled tubes and metal fins, used for cooling circulating water, as in an automobile engine.
Radio. a transmitting antenna.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of radiator

First recorded in 1830–40; radiate + -or2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use radiator in a sentence

British Dictionary definitions for radiator

radiator
/ (ˈreɪdɪˌeɪtə) /

noun
a device for heating a room, building, etc, consisting of a series of pipes through which hot water or steam passes
a device for cooling an internal-combustion engine, consisting of thin-walled tubes through which water passes. Heat is transferred from the water through the walls of the tubes to the airstream, which is created either by the motion of the vehicle or by a fan
Australian and NZ an electric fire
electronics the part of an aerial or transmission line that radiates electromagnetic waves
an electric space heater
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

Scientific definitions for radiator

radiator
[ rādē-ā′tər ]

A body that emits radiation. Radiators are commonly designed to transfer heat energy from one place to another, as in an automobile, in which the radiator cools the engine by transferring heat energy from the engine to the air, or in buildings, where radiators transfer heat energy from a furnace to the air and objects in the surrounding room.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK