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Any of various organisms, such as certain bacteria, requiring temperatures between 45°C and 80°C to thrive.

ther′mo·phil′ic (-fĭl′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈθɜːməʊˌfaɪl) or


(Biology) an organism, esp a bacterium or plant, that thrives under warm conditions
(Biology) thriving under warm conditions
ˌthermoˈphilic, thermophilous adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈθɜr məˌfaɪl, -fɪl)

a thermophilic organism.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
Nitrite production by a thermophilic bacterium. Australian Journal of Agricultural Research, 10(6): 832-838.
(1981) Identification of an essential glutamic acid residue in the [beta] subunit of the adenosine triphosphatase from the thermophilic bacterium PS3.
Debeire, "Isolation of a thermophilic bacterium producing high levels of xylanase, in Xylans and xylanases," in Progress in Biotechnology, J.
Biodegradation of polyethylene by the thermophilic bacterium Brevibacillusborstelensis.
a xylanolytic thermophilic bacterium from an oil- producing well.
nov., a novel thermophilic bacterium that degrades poly (3-hydroxybutyrate-co-3-mercaptopropionate).
The annotated genome sequence of the thermophilic bacterium has enabled identification of the proteins responsible for Fe(III) reductase activity by chromatography and mass spectrometry.