"foaming" in the verb sense
1. foam, froth, fizz, effervesce, sparkle, form bubbles
become bubbly or frothy or foaming
"The boiling soup was frothing"
"The river was foaming"
"foaming" in the adjective sense
1. bubbling, bubbly, foaming, foamy, frothy, effervescing, spumy
emitting or filled with bubbles as from carbonation or fermentation
"foamy (or frothy) beer"
2. foaming, foamy, frothing
producing or covered with lathery sweat or saliva from exhaustion or disease
"the rabid animal's frothing mouth"
Source: WordNet® (An amazing lexical database of English)
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