noun
- plural form of volcano; mountains or hills with openings through which lava, rock fragments, hot vapor, and gas are or have been erupted from the earth’s crust
Examples
- The Pacific Ring of Fire contains many active volcanos.
- Scientists monitor volcanos to predict eruptions.
- Ancient volcanos shaped much of the landscape.
- The island chain was formed by underwater volcanos.
- Dormant volcanos can remain inactive for centuries.
- Several volcanos in the region erupted simultaneously.