好こう熱ねつ性せい細さい菌きんこうねつせいさいきんMeanings1nounthermophile; thermophilic bacteriaScientific term for bacteria that thrive at high temperatures. Often used in microbiology and biotechnology contexts.See also: 好熱菌好こう熱ねつ性せい細さい菌きんは温