Meaning of decrepitate

de•crep•i•tate

Pronunciation: (di-krep'i-tāt"), [key]
— v., -tat•ed, -tat•ing.
—v.t.
  1. to roast or calcine (salt, minerals, etc.) so as to cause crackling or until crackling ceases.
—v.i.
  1. to break up when exposed to heat.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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