extremophile
- a microbe that lives in an environment once thought to be uninhabitable, for example in boiling or frozen water
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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extremophile
[ĭk-strē′mə-fīl′]
- An organism adapted to living in conditions of extreme temperature, pressure, or chemical concentration, as in highly acidic or salty environments. Many extremophiles are unicellular organisms known as archaea.
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The American Heritage® Science Dictionary
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