noun

 

top the top or outside part of something

the Earth's surface

 

appearance what someone or something seems to be like when you do not know much about them

On the surface he seemed very pleasant.

 

verb

 

appear to appear or become public, often after being hidden

This problem first surfaced about two weeks ago.

 

rise to rise to the surface of water

The submarine surfaced a few miles off the coast.

 

cover to cover a road with a hard substance