Definition, Meaning & Synonyms

lava-fountain

noun
/ˈlæ.və ˈfaʊn.tən/
Definition
A lava fountain is a vertical eruption of molten rock that is propelled into the air by the pressure of gas within the lava.
Examples
  • During the volcanic eruption, a spectacular lava-fountain shot high into the sky.
  • The lava-fountain at Kilauea was breathtaking to witness.
  • Scientists study lava-fountains to understand how magma behaves during eruptions.
Meaning
Lava fountains occur during volcanic eruptions when gas bubbles form in the lava and burst, sending molten rock skyward.
Synonyms
  • lava jet
  • lava plume
  • geyser of lava