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[dih-krep-i-teyt] /dɪˈkrɛp ɪˌteɪt/
verb (used with object), decrepitated, decrepitating.
to roast or calcine (salt, minerals, etc.) so as to cause crackling or until crackling ceases.
verb (used without object), decrepitated, decrepitating.
to break up when exposed to heat.
Origin of decrepitate
1640-50; < New Latin dēcrepitātus crackled, past participle of dēcrepitāre, equivalent to Latin dē- de- + crepitāre to crackle (frequentative of crepāre to crack); see -ate1
Related forms
decrepitation, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for decrepitate
  • There is a known tendency for uranium dioxide in air to decrepitate into fine particles.
British Dictionary definitions for decrepitate


(transitive) to heat (a substance, such as a salt) until it emits a crackling sound or until this sound stops
(intransitive) (esp of a salt) to crackle, as while being heated
Derived Forms
decrepitation, noun
Word Origin
C17: from New Latin dēcrepitāre, from Latin crepitāre to crackle, from crepāre to creak
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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