- the outer boundary of an artifact or a material layer constituting or resembling such a boundary
- the extended two-dimensional outer boundary of a three-dimensional object
- the outermost level of the land or sea
- a superficial aspect as opposed to the real nature of something
💬 Examples
- "there is a special cleaner for these surfaces"
- "the cloth had a pattern of red dots on a white surface"
- "they skimmed over the surface of the water"
- "a brush small enough to clean every dental surface"