- 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
Hypernym for "pillow lava"
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