immersion heater
noun
Definition of immersion heater
: a usually electric unit that heats the liquid in which it is immersed
Indulge Your Inner Word Nerd
1914
First Known Use of immersion heater
1914
Seen and Heard
What made you want to look up immersion heater? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!