1. phenomenon that occurs when a metal is being heated and there is a sudden slowing in the rate of temperature increase; slowing is caused by a change in the internal crystal structure of the metal;
WordNet (r) 3.0 (2006):
decalescence
n 1: phenomenon that occurs when a metal is being heated and
there is a sudden slowing in the rate of temperature
increase; slowing is caused by a change in the internal
crystal structure of the metal