CREPITATION
crackle, crackling, crepitation
(noun) the sharp sound of snapping noises
Source: WordNet® 3.1
Noun
crepitation (countable and uncountable, plural crepitations)
The act of crepitating or crackling.
A grating or crackling sensation or sound, as that produced by rubbing two fragments of a broken bone together, or by pressing upon cellular tissue containing air.
A crepitant rale.
Source: Wiktionary
Crep`i*ta"tion (krp`-t"shn), n. Etym: [Cf. F. crépitation.]
1. The act of crepitating or crackling.
2. (Med.)
(a) A grating or crackling sensation or sound, as that produced by
rubbing two fragments of a broken bone together, or by pressing upon
cellular tissue containing air.
(b) A crepitant râle.
Source: Webster’s Unabridged Dictionary 1913 Edition