crackle (v.)

"make frequent or rapid cracking noises," mid-15c., crackelen, frequentative of cracken "to crack" (see crack (v.)). Related: Crackled; crackling. The noun, in the sense of "a crackling noise," is recorded from 1833.

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Definitions of crackle from WordNet
crackle (v.)
make a crackling sound;
My Rice Krispies crackled in the bowl
Synonyms: crepitate
crackle (v.)
make a crushing noise;
Synonyms: crunch / scranch / scraunch
crackle (v.)
to become, or to cause to become, covered with a network of small cracks;
The blazing sun crackled the desert sand
crackle (n.)
the sharp sound of snapping noises;
Synonyms: crackling / crepitation
crackle (n.)
glazed china with a network of fine cracks on the surface;
Synonyms: crackleware / crackle china
crackle (adj.)
having the surface decorated with a network of fine cracks, as in crackleware;
a crackle glaze