Definition of stenothermal in US English:



  • (of an organism) able to tolerate only a small range of temperature.

    Often contrasted with eurythermal
    • ‘Aquaculture in Poland is based on breeding freshwater stenothermal or non-stenothermal fish in fish ponds located throughout the country.’
    • ‘High quality coldwater streams typically contain a fish population composed solely of one or more salmonid species like the brook trout Salvelinus fontinalis and one or more native stenothermal coldwater or coolwater species like the mottled sculpin Cottus bairdi.’
    • ‘However, the thermal range over which ABT was modified was typically wider for more eurythermal species than for stenothermal species (compare green and pinto abalones).’
    • ‘There is also a group of distinctive foraminifera more or less confined to the zone of the Tethys and thought to be a stenothermal tropical group.’
    • ‘Trying to illustrate, in an undergraduate lab, the growth of stenothermal bacteria and Neisseria gonorrhoeae is probably not the best choice.’


Late 19th century: from Greek stenos ‘narrow’ + thermal.