noun. ['ˈsiːlənt'] a kind of sealing material that is used to form a hard coating on a porous surface (as a coat of paint or varnish used to size a surface).
- sealing material
Words that Rhyme with Sealant
Example sentences of the word sealant
1. Noun, singular or mass
Apply one even coating of the sealant to waterproof the deck and hold in the stain.
It needs to be dry for any sealant to stick and repair.