volcanic opening in the earth emitting carbon dioxide
Found on
http://phrontistery.info/m.html
fumarole, or gaseous volcanic vent, that has a temperature well below the boiling point of water, though above the temperature of the surrounding ... [1 related articles]
Found on
http://www.britannica.com/eb/a-z/m/107
a noxious emanation, consisting chiefly of carbon dioxide, escaping from the earth in regions of nearly extinct volcanic activity. · one of the openings or fissures from which this emanation issues.
Found on
https://www.infoplease.com/dictionary/mofette
No exact match found.
