decrepitate

1 of 2

verb

de·​crep·​i·​tate di-ˈkre-pə-ˌtāt How to pronounce decrepitate (audio)
decrepitated; decrepitating; decrepitates

transitive verb

: to roast or calcine (a substance, such as salt) so as to cause crackling or until crackling stops
decrepitation noun

decrepitation

2 of 2

noun

de·​crep·​i·​ta·​tion
plural -s
: the breaking up or crackling of certain crystals upon heating

Word History

Etymology

Verb

probably from New Latin *decrepitatus, past participle of *decrepitare, from Latin de- + crepitare to crackle — more at crepitate

Noun

probably from (assumed) New Latin decrepitation-, decrepitatio, from (assumed) New Latin decrepitatus + Latin -ion-, -io -ion

First Known Use

Verb

1646, in the meaning defined at transitive sense

Time Traveler
The first known use of decrepitate was in 1646

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Cite this Entry

“Decrepitate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/decrepitate. Accessed 25 Jun. 2026.

Medical Definition

decrepitate

verb
de·​crep·​i·​tate di-ˈkrep-ə-ˌtāt How to pronounce decrepitate (audio)
decrepitated; decrepitating

transitive verb

: to roast or calcine (as salt) so as to cause crackling or until crackling stops
decrepitation noun
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