Sealant
Pronunciation: /ˈsiːlənt/
Sealant (noun)
- A substance you spread into a gap to stop water or air from passing through.
- A material used around windows or doors to reduce drafts and keep rain out.
- A chemical product that forms a protective layer on surfaces to prevent leaks or corrosion.
Examples
- The sealant fills the gap and keeps water out.
- You should apply sealant along the crack before it leaks.