verb (used with object) 1.to roast or calcine (salt, minerals, etc.) so as to cause crackling or until crackling ceases.
verb (used without object) 2.to
break up when exposed to heat.
Origin: 1640–50; <
Neo-Latin dēcrepitātus crackled, past participle of
dēcrepitāre, equivalent to
Latin dē- de- +
crepitāre to crackle (frequentative of
crepāre to crack); see
-ate1 Related forms de·crep·i·ta·tion, noun