- Of or pertaining to a volcano or volcanoes; as, volcanic
heat. - Produced by a volcano, or, more generally, by igneous
agencies; as, volcanic tufa. - Changed or affected by the heat of a volcano.
Meaning of 'volcanic' (Princeton's WordNet)
1 . volcanic
[ a]
Meaning (1): - relating to or produced by or consisting of volcanoes
Example in sentence:
a volcanic cone is a conical mountain or hill built up of material from volcanic eruptions;
volcanic islands such as Iceland;
volcanic steam
2 . volcanic
[ s]
Meaning (2): - explosively unstable
Example in sentence:
a volcanic temper
Meaning (3): - igneous rock produced by eruption and solidified on or near the earth's surface; rhyolite or andesite or basalt
Example in sentence:
volcanic rock includes the volcanic glass obsidian