fumaroles
/ˈfjuːməˌroʊlz/
noun
- Plural of fumarole; multiple holes or vents in volcanic areas that release hot gases and steam.
- Tourists walked carefully around the fumaroles to avoid the hot ground.
- The landscape was dotted with fumaroles, each puffing out white steam.
- The park is famous for its colorful fumaroles and boiling mud pots.