noun
the outer boundary of an artifact or a material layer constituting or resembling such a boundary
Examples
- there is a special cleaner for these surfaces
- the cloth had a pattern of red dots on a white surface
noun
the extended two-dimensional outer boundary of a three-dimensional object
Examples
- they skimmed over the surface of the water
- a brush small enough to clean every dental surface
- the sun has no distinct surface
noun
the outermost level of the land or sea
Synonyms
Earth's surface
Examples
- earthquakes originate far below the surface
- three quarters of the Earth's surface is covered by water
noun
a superficial aspect as opposed to the real nature of something
Examples
- it was not what it appeared to be on the surface
noun
information that has become public
Synonyms
Examples
- all the reports were out in the open
- the facts had been brought to the surface
noun
a device that provides reactive force when in motion relative to the surrounding air
Synonyms
Examples
- can lift or control a plane in flight
verb
come to the surface
Synonyms
verb
put a coat on
Synonyms
Examples
- cover the surface of
- furnish with a surface
- coat the cake with chocolate
verb
appear or become visible
Synonyms
come on
come out
turn up
show up
Examples
- make a showing
- She turned up at the funeral
- I hope the list key is going to surface again
adjective
on the surface
Examples
- surface materials of the moon