(of certain biochemical and chemical compounds) easily decomposed or subject to a loss of characteristic properties by the action of heat
a thermolabile enzyme
Compare thermostable (sense 1)
Word origin
C20: from thermo- + labile
thermolabile in American English
(ˌθɜrmoʊˈleɪbəl)
adjective
designating or of substances, as some toxins, enzymes, etc., that are destroyed or lose their characteristic properties when subjected to heat, esp. to a temperature of 55°C (131°F) or above