- a device for transferring heat from one fluid to another without allowing them to mix
WordReference Random House Unabridged Dictionary of American English © 2020
Thermodynamicsa device for transferring the heat of one substance to another, as from the exhaust gases to the incoming air in a regenerative furnace.
Collins Concise English Dictionary © HarperCollins Publishers::
heat exchanger n
'heat exchanger' also found in these entries: