claystone (English, noun)
expansion: claystone (countable and uncountable, plural claystones)
Senses:
topics: geography
geology
natural-sciences
glosses: Sedimentary rock composed of fine clay particles.
tags: countable
uncountable
glosses: One of the concretionary nodules in alluvial deposits.
tags: countable
uncountable
Forms:
form: claystones
tags: plural