"crackling" in the noun sense
1. greaves, crackling
the residue that remains after animal fat has been rendered
2. crackle, crackling, crepitation
the sharp sound of snapping noises
"crackling" in the verb sense
1. crepitate, crackle
make a crackling sound
"My Rice Krispies crackled in the bowl"
2. crunch, scranch, scraunch, crackle
make a crushing noise
"his shoes were crunching on the gravel"
3. crackle
to become, or to cause to become, covered with a network of small cracks
"The blazing sun crackled the desert sand"
Source: WordNet® (An amazing lexical database of English)
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