immersion heater

1. 1.

   a heating element that is immersed in the liquid that is to be heated (as in a hot-water tank)

   Broaderheating element

Questions about immersion heater

What does immersion heater mean?

immersion heater means "a heating element that is immersed in the liquid that is to be heated (as in a hot-water tank)".

Is immersion heater a common word?

immersion heater is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.