Medical Definition of Extremophile

Extremophile: An organism that lives under extreme conditions. An example of an extremophile is Methanococcus jannaschii, a microbe that lives near hydrothermal vents deep beneath the sea. The term extremophile was coined late in the 20th century from extreme + -phile, liking = liking extreme (conditions).

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Last Editorial Review: 9/14/2016

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