Synonyms and antonyms of Volcanos in American Thesaurus

active (adjective)

an active volcano is likely to erupt (=explode and pour out fire) at any time. When a volcano no longer does this, it is extinct.

crater (noun)

the round hole at the top of a volcano

dormant (adjective)

something that is dormant is not active or developing now, but it may become active or develop in the future

erupt (verb)

if a volcano erupts, it explodes inside and flames, rocks, and lava come out of the top

extinct (adjective)

an extinct volcano no longer erupts

lava (noun)

rock in the form of hot liquid

lava (noun)

the solid rock that forms when liquid lava becomes cold

vent (noun)

science a hole in the Earth’s surface through which lava or gas comes out

vog (noun)

American smog that contains dust and gas from volcanoes

volcanic (adjective)

coming from or connected with a volcano

volcano (noun)

a mountain that forces hot gas, rocks, ash, and lava (=melted rock) into the air through a hole at the top. Some volcanoes are not immediately dangerous because they are not active and have become dormant. Others will never be dangerous again because they are completely extinct