decrepitate

from WordNet (r) 3.0 (2006)

decrepitate
    v 1: undergo decrepitation and crackle; "The salt decrepitated"
    2: to roast or calcine so as to cause to crackle or until
       crackling stops; "decrepitate salts"

from The Collaborative International Dictionary of English v.0.48

Decrepitate \De*crep"i*tate\, v. t. [imp. & p. p.
   {Decrepitated}; p. pr. & vb. n. {Decrepitating}.] [Cf. F.
   d['e]cr['e]piter.]
   To roast or calcine so as to cause a crackling noise; as, to
   decrepitate salt.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Decrepitate \De*crep"i*tate\, v. i.
   To crackle, as salt in roasting.
   [1913 Webster]

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