noun
- a substance used to seal gaps or joints to prevent the passage of air, water, or other materials
Examples
- Apply sealant around the bathtub to prevent water damage.
- The mechanic used a special sealant to fix the leak in the engine.
- We need to buy some sealant before installing the new windows.
- The roof sealant should be reapplied every few years.
- Make sure the sealant is completely dry before using the shower.
- The plumber recommended a silicone-based sealant for the pipes.