ther·​mo·​phil·​ic | \ ˌthər-mə-ˈfi-lik How to pronounce thermophilic (audio) \
variants: or less commonly thermophilous \ (ˌ)thər-​ˈmä-​fə-​ləs How to pronounce thermophilic (audio) \ or thermophile \ ˈthər-​mə-​ˌfī(-​ə)l How to pronounce thermophilic (audio) \

Definition of thermophilic

: of, relating to, or being an organism living at a high temperature thermophilic fermentation thermophilic bacteria

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Other Words from thermophilic

thermophile noun

Examples of thermophilic in a Sentence

Recent Examples on the Web From 1965 through 1975, Brock conducted field and laboratory research on thermophilic microorganisms in the hot springs of the park, funded by a grant from the National Science Foundation. David Bressan, Forbes, 28 Apr. 2021 The Valley of Geysers is fragile territory, a sliver in the earth exposing volcanic rock, alkaline pools, and crusts of thermophilic bacteria. Cnt Editors, Condé Nast Traveler, 11 Aug. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thermophilic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of thermophilic

circa 1894, in the meaning defined above

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Time Traveler for thermophilic

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The first known use of thermophilic was circa 1894

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Cite this Entry

“Thermophilic.” Dictionary, Merriam-Webster, Accessed 28 Jul. 2021.

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More Definitions for thermophilic


ther·​mo·​phil·​ic | \ ˌthər-mə-ˈfil-ik How to pronounce thermophilic (audio) \
variants: also thermophilous \ (ˌ)thər-​ˈmäf-​ə-​ləs How to pronounce thermophilic (audio) \

Medical Definition of thermophilic

: of, relating to, or being an organism living at a high temperature thermophilic bacteria


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