decrepitate
verb
de·crep·i·tate di-ˈkre-pə-ˌtāt 
decrepitated; decrepitating; decrepitates
transitive verb
: to roast or calcine (a substance, such as salt) so as to cause crackling or until crackling stops
intransitive verb
: to become decrepitated
decrepitation
di-ˌkre-pə-ˈtā-shən
noun 
Word History
Etymology
probably from New Latin *decrepitatus, past participle of *decrepitare, from Latin de- + crepitare to crackle — more at crepitate
First Known Use
1646, in the meaning defined at transitive sense
Medical Definition
decrepitate
verb
de·crep·i·tate di-ˈkrep-ə-ˌtāt
decrepitated; decrepitating
transitive verb
: to roast or calcine (as salt) so as to cause crackling or until crackling stops
intransitive verb
: to become decrepitated