gritrock
/ˈɡrɪtˌrɑk/
noun
- A type of hard, coarse sandstone that contains small, sharp grains.
- The old castle was built from local gritrock, which gave it a rough texture.
- Geologists identified the cliff as gritrock from the Carboniferous period.
- The path was made of crushed gritrock, so it was very rough underfoot.
Synonyms