pillow lava
"Pillow lava" forms unique, rounded shapes when volcanic lava erupts and cools rapidly underwater, resembling a stack of pillows.
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Definition
C1Volcanology
(technical)Volcanic rock that forms rounded, pillow-like shapes when lava erupts underwater and cools quickly.
Example
- The ocean floor is covered with pillow lava, formed from ancient underwater volcanic eruptions.
- Pillow lava provides evidence of past volcanic activity beneath the sea.
Similar
Terms that have similar or relatively close meanings to "pillow lava":