noun
- a very light volcanic rock with a rough surface, used for removing hard skin or for polishing
verb
- to rub with pumice stone to smooth or polish
Examples
- She used a pumice stone to remove the calluses from her feet.
- The volcanic eruption created large deposits of pumice.
- Pumice is so light that it can float on water.
- The jeweler pumiced the silver ring until it gleamed.
- Ancient Romans used pumice to clean their skin.
- The gardener mixed pumice into the soil to improve drainage.