Pronunciation: /ˈkrak(ə)l/
verb
[no object]-
make a rapid succession of short sharp noises: the fire suddenly crackled and spat sparks
-
give a sense of great tension or animation: attraction and antagonism were crackling between them
noun
-
1a sound made up of a rapid succession of short sharp noises: there was a crackle and a whine from the microphone
-
2 [mass noun] a pattern of minute surface cracks on paintwork, varnish, glazed ceramics, or glass.

Derivatives
-
adjective (cracklier, crackliest)