ˈȯsˌfȯ(ə)rm, -ȯ(ə)m transitive verb
( -ed/-ing/-s )
Etymology: aus tenitic + de form ; from the deformation's taking place while the steel is still in the austenitic form
: to subject (steel) to deformation and then to quenching and tempering in order to increase the strength, ductility, and resistance to fatigue failure