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1
: state of heat
endothermy
2
: generation of heat
diathermy

Word History

Etymology

New Latin -thermia, from Greek thermē heat — more at therm

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Cite this Entry

“-thermy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/-thermy. Accessed 27 Nov. 2025.

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