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lava dome

Syllabification: la·va dome

Definition of lava dome in English:

noun

A mound of viscous lava that has been extruded from a volcanic vent.
Example sentences
  • Experts watching a recent spike in volcanic activity say a lava dome in the mountain's crater is growing.
  • Geologists said the lava dome inside the volcano is now deforming, or growing, by tens, maybe hundreds, of feet.
  • Rising magma continues to build a lava dome in the crater of Mount St. Helens.

Definition of lava dome in:

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