stenothermal

1 of 2

adjective

steno·​ther·​mal ˌste-nə-ˈthər-məl How to pronounce stenothermal (audio)
: capable of surviving over only a narrow range of temperatures
stenothermal fish
stenotherm noun

stenotherm

2 of 2

noun

steno·​therm ˈstenəˌthərm How to pronounce stenotherm (audio)
: a stenothermal organism

Word History

Etymology

Noun

back-formation from stenothermal

First Known Use

Adjective

1881, in the meaning defined above

Time Traveler
The first known use of stenothermal was in 1881

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Cite this Entry

“Stenothermal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stenothermal. Accessed 21 Jun. 2026.

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