Definition of immersion heater
: a usually electric unit that heats the liquid in which it is immersed
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Cite this Entry
“Immersion heater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/immersion%20heater. Accessed 22 Oct. 2021.
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Time Traveler for immersion heater
The first known use of immersion heater was in 1914
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