'Thermostable' definitions:

Definition of 'Thermostable'

From: GCIDE

Thermostable \Ther`mo*sta"ble\, a. [Thermo- + stable fixed.] (Physiol. Chem.) Capable of being heated to or somewhat above 55[deg] C. without loss of special properties; -- said of proteins, immune substances, etc. [Webster 1913 Suppl.]