decalescence

de·ca·les·cence  (dk-lsns)

n.

A sudden slowing in the rate of temperature increase in a metal being heated, caused by endothermic structural changes and resulting in a darkening of the metal.

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[From de- + Latin calscere, to become warm, inchoative of calre, to be warm; see kel-¹ in Indo-European roots.]

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deca·lescent adj.

Thesaurus

Noun

1.

decalescence - 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 physical phenomenon - a natural phenomenon involving the physical properties of matter and energy