[ thur-moh-stey-buh l ]
/ ˌθɜr moʊˈsteɪ bəl /

adjective Biochemistry.

capable of being subjected to a moderate degree of heat without loss of characteristic properties, as certain toxins and enzymes (opposed to thermolabile).

Origin of thermostable

First recorded in 1900–05; thermo- + stable2

OTHER WORDS FROM thermostable

ther·mo·sta·bil·i·ty, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for thermostable

/ (ˌθɜːməʊˈsteɪbəl) /


(of certain chemical and biochemical compounds) capable of withstanding moderate heat without loss of characteristic propertiesa thermostable plastic Compare thermolabile
not affected by high temperatures

Derived forms of thermostable

thermostability (ˌθɜːməʊstəˈbɪlɪtɪ), noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for thermostable

[ thûr′mō-stābəl ]


Unaffected by relatively high temperatures, as certain ferments or toxins.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.