crepitation

plural crepitations

1. countableuncountableThe act of crepitating or crackling.

   Silence again, save for the crepitation of the flames, the fall of an ember, the murmur of the current.

   1923, George Allan England, The Thing from—"Outside"

   1 more example

   When she returned the room was silent again, save for the faint crepitation of his chair and the occasional clink of a bottle.

   1897, H[erbert] G[eorge] Wells, The Invisible Man: A Grotesque Romance, New York, N.Y.; London: Harper & Brothers Publishers, →OCLC

2. countableuncountableA 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.
3. countableuncountableA crepitant rale.