a. [f. THERMO- + LABILE.] Liable to destruction at moderately high temperatures, as certain toxins and serums: opposed to thermostable. Hence Thermolability, thermolabile quality.

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1904.  Brit. Med. Jrnl., 10 Sept., 557 [see THERMOSTABLE]. Ibid., 561. The hæmolysis being due to the co-operation of a thermolabile complement—also called alexin—and thermostable immune body, otherwise amboceptor. Ibid., 563. This thermolabile serum feast preparer is called by Wright and Douglas opsonine. Ibid., 561. Buchner has drawn special attention to the characters of the alexins—their thermolability [etc.].

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1907.  Jrnl. Med. Research, May, 288 (C. D., Suppl.). The digestive ferment of these organs in solution is … thermolabile at 56° C.; the entire extract … is thermolabile at slightly higher temperatures.

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