"crunching" in the verb sense
1. crunch, scranch, scraunch, crackle
make a crushing noise
"his shoes were crunching on the gravel"
2. crunch, cranch, craunch, grind
press or grind with a crushing noise
3. crunch, munch
chew noisily
"The children crunched the celery sticks"
4. grind, mash, crunch, bray, comminute
reduce to small pieces or particles by pounding or abrading
"grind the spices in a mortar"
"mash the garlic"
Source: WordNet® (An amazing lexical database of English)
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