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decrepitate

[dih-krep-i-teyt]
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verb (used with object), de·crep·i·tat·ed, de·crep·i·tat·ing.
  1. to roast or calcine (salt, minerals, etc.) so as to cause crackling or until crackling ceases.
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verb (used without object), de·crep·i·tat·ed, de·crep·i·tat·ing.
  1. to break up when exposed to heat.
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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 formsde·crep·i·ta·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for decrepitate

decrepitate

verb
  1. (tr) to heat (a substance, such as a salt) until it emits a crackling sound or until this sound stops
  2. (intr) (esp of a salt) to crackle, as while being heated
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Derived Formsdecrepitation, 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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012