Aging under conditions of time and temperature greater than those required to obtain maximum change in a certain property, so that the property is altered in the direction of the initial value., Found on http://www.encyclo.co.uk/local/20742
Aging a precipitation-hardening alloy under conditions of time and temperature greater than those required to obtain maximum strength or hardness Found on https://www.metaltek.com/resources/glossary/
Aging under conditions of time and temperature greater than those required to obtain maximum change in a certain property, so that the property is altered in the direction of the initial value. Found on https://www.unifiedalloys.com/resources/glossary/