Volcano
WordNet

noun


(1)   A fissure in the earth's crust (or in the surface of some other planet) through which molten lava and gases erupt
(2)   A mountain formed by volcanic material
WiktionaryText

Etymology


From , from the Roman god of fire and metalworking. Perhaps related to Greek and

Noun



  1. A vent or fissure on the surface of a planet (usually in a mountainous form) with a magma chamber attached to the mantle of a planet or moon, periodically erupting forth lava and volcanic gases onto the surface.
 
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