sealcoat means A protective coating applied to an asphalt pavement with the aim of protecting it from damage from water, oil, ultraviolet radiation, etc. Lexicurio rates it Sui generis — a strength score of 97 out of 100.
Etymology
Compound of seal + coat.
noun
- A protective coating applied to an asphalt pavement with the aim of protecting it from damage from water, oil, ultraviolet radiation, etc.“Probably a good idea to get a sealcoat if you want that pavement to last.”
verb
- To apply a sealcoat to (asphalt).“We went out and sealcoated this guy's driveway for free, and he got real mad when we said it was on us.”