noun \ˈfyü-mə-ˌrōl\

Definition of FUMAROLE

:  a hole in a volcanic region from which hot gases and vapors issue
fu·ma·rol·ic \ˌfyü-mə-ˈrō-lik\ adjective

Origin of FUMAROLE

Italian fumarola, from Italian dialect (Neapolitan), from Late Latin fumariolum vent, from Latin fumarium smoke chamber for aging wine, from fumus
First Known Use: 1811


noun    (Concise Encyclopedia)

Volcanic vent from which steam and volcanic gases issue. The major source of the steam emitted by fumaroles is groundwater heated by magma. Carbon dioxide, sulfur dioxide, and hydrogen sulfide are usually emitted directly from the magma. A fumarole rich in sulfur gases is called a solfatara; a fumarole rich in carbon dioxide is called a mofette.


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