1
boiling
1
to grow hot (e.g. water);to boil
薬缶のお湯が沸いている。
The kettle is boiling.
2
to get excited (at);to erupt (in applause, cheering, etc.);to be in a ferment;to take place energetically
市の産業はみんな好景気に沸いている。
All the industries in the city are booming.
3
to ferment
4
to melt (of metal)