Definitions
There is 1 meaning of the phrase
Natural Glass.
Natural Glass - as a noun
Magma of any composition that cooled very rapidly
Hypernyms (Closely Related)
glassHyponyms (Broadly Related)
Example Sentences
"Obsidian is a type of natural glass formed from volcanic activity."
"Tektites are natural glass objects formed during meteorite impacts."
"Fulgurites are natural glass tubes formed by lightning striking sandy soil or rock."
"Libyan Desert Glass is a type of natural glass found in the Sahara Desert."
"Lechatelierite is a natural glass formed from lightning strikes on quartz sand."