non·​ther·​mal ˌnän-ˈthər-məl How to pronounce nonthermal (audio)
: not produced by heat
specifically : of, relating to, or being radiation having a spectrum that is not the spectrum of a blackbody

Examples of nonthermal in a Sentence

Recent Examples on the Web Ultrasound has not caused tissue damage in studies implementing its nonthermal bioeffects to modulate neuronal activity at acoustic intensities below those recommended for safe use in diagnostic imaging. Neuroskeptic, Discover Magazine, 9 Feb. 2014 The injury mechanism can be attributed to a thermal (electrical current) effect and a nonthermal (mainly electrical field) effect. Seriously Science, Discover Magazine, 6 June 2014

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'nonthermal.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1964, in the meaning defined above

Time Traveler
The first known use of nonthermal was circa 1964

Dictionary Entries Near nonthermal

Cite this Entry

“Nonthermal.” Dictionary, Merriam-Webster, Accessed 18 May. 2024.

Kids Definition


non·​ther·​mal -ˈthər-məl How to pronounce nonthermal (audio)
: not produced by heat
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