sealer
/ˈsiːlər/
noun
- A substance or product used to coat a surface and make it waterproof or airtight.
- Before painting the wall, apply a sealer to prevent stains from bleeding through.
- The driveway was treated with a concrete sealer to protect it from winter weather.
- I used a wood sealer on the fence to keep it from rotting.
- A device or tool that closes and fastens something, such as a bag or container.
- The vacuum sealer kept the food fresh for weeks.
- She used a heat sealer to close the plastic packaging.
- The bag sealer made it easy to store snacks.
Synonyms