- the means of heating objects or persons by radiation in which the intervening air is not heated.
- a system for heating by radiation from a surface, especially from a surface heated by means of electric resistance, hot water, etc.
Origin of radiant heating
First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a system of heating a building by radiant heat emitted from panels containing electrical conductors, hot water, etc