Fumaroles are vents from which steam and volcanic gases escape into the atmosphere.
It could be cone or vent both are used to describe a volcano
Another name is the pipe
peanut butter and jelly
A "crater" : a hole or pit, caused by an impact (meteor or falling object), explosion, or volcano. Synonyms : cavity, hollow, depression, abyss (volcano only : caldera)
the root word is vent
orifice
ace
vent
vent hole ,ventiduct
The first definition for the word volcano is a noun meaning a vent in the crust of a planet or moon where usually molten rock and steam can issue. Another definition is a verb meaning potentially explosive or violent.
A "crater" : a hole or pit, caused by an impact (meteor or falling object), explosion, or volcano. Synonyms : cavity, hollow, depression, abyss (volcano only : caldera)
every house requires at least one Vent. Otherwise you will suffocate.
A dormant volcano is a volcano that is "sleeping," for lack of a better term. It is a volcano that is not currently active.
a dud
EROPSHIN
subterranean
A vent in the earth's crust through witch lava, steam, ash, and etc come poring out.
hole
Vent is a hole or opening allowing movements of air or other substances. Now it has also become a colloquial meaning for releasing ones frustrations verbally.
vulcanologist which is a speciality of geology