pillow lava definition

  • noun:
    • Lava that types from an underwater eruption and is described as pillow-shaped public.
    • The stone kind, resembling cushions, usually formed when lava emerges from an underwater volcanic vent or a lava movement enters the sea.
    • A rock of the kind.
    • lava that hardened in curved shapes suggestive of cushions; thought to result from underwater eruptions

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