noun. a solid solution of ferric carbide or carbon in iron; cools to form pearlite or martensite.
1. Adjective Place the steel in a heat treat oven or forge and slowly raise the temperature of the steel to its particular austenite region. 2. Noun, singular or mass At the critical eutectoid temperature of 1335 degrees, the steel recrystallizes as austenite and eventually loses its magnetic charge. 3. Adverb The different states it goes through during the process are called austenite and martensite, and an austempering and martempering resource can give you more information about the process.