pillow lava (English, noun)
expansion: pillow lava (countable and uncountable, plural pillow lavas)
Senses:
topics: geography
geology
natural-sciences
glosses: The rock type, resembling pillows, typically formed when lava emerges from an underwater volcanic vent or a lava flow enters the ocean.
tags: uncountable
topics: geography
geology
natural-sciences
glosses: A rock of that type.
tags: countable
Forms:
form: pillow lavas
tags: plural