scoriaceous
/ˌskɔriˈeɪʃəs/
adjective
- Having a rough, porous, or slag-like texture, like volcanic scoria.
- The gardener used scoriaceous gravel for drainage because it was so porous.
- The scoriaceous rock felt light and full of tiny holes, like a sponge.
- Hikers noticed the scoriaceous surface of the old lava flow was sharp under their boots.
Antonyms