diatreme
[ dahy-uh-treem ]
/ ˈdaɪ əˌtrim /
noun Geology.
a volcanic vent produced in a solid rock structure by the explosive energy of gases in magmas.
Origin of diatreme
1930–35;
dia- + Greek
trêma hole
Words nearby diatreme
diatomaceous earth,
diatomic,
diatomite,
diatonic,
diatonicism,
diatreme,
diatribe,
diatropism,
diaz,
diaz-,
diazepam
Example sentences from the Web for diatreme
Most maars have low rims composed of a mixture of loose fragments of volcanic rock and rocks torn from the walls of the diatreme.
Volcanoes |Robert I. Tilling
Scientific definitions for diatreme
diatreme
[ dī′ə-trēm′ ]
A volcanic pipe, filled with breccia, formed by a subterranean gaseous explosion. See illustration at batholith.