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Webster 1913 Edition

Noun.

[Cf. F.

décrépitation

The act of decrepitating; a crackling noise, such as salt makes when roasting.

Noun.

The act of roasting with a continual crackling; or the separation of parts with a crackling noise, occasioned by heat.

decrepitation ‎(plural decrepitations)

(mineralogy) The shattering of minerals by the action of heat, especially when accompanied by a crackling sound