: thriving at a relatively low temperature
psychrophilic bacteria

Word History

First Known Use

1897, in the meaning defined above

Time Traveler
The first known use of psychrophilic was in 1897

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Cite this Entry

“Psychrophilic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psychrophilic. Accessed 8 Jul. 2026.

Medical Definition

psychrophilic

adjective
: thriving at a relatively low temperature
psychrophilic bacteria
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