Definition of surface area
- The lake has roughly the same surface area as 10 football fields.
: the exterior or upper boundary of an object or body
: a plane or curved two-dimensional locus of points (such as the boundary of a three-dimensional region)
: the external or superficial aspect of something
: of, located on, or designed for use at the surface of something
: situated, transported, or employed on the surface of the earth
: appearing to be such on the surface only : superficial
: to give a surface to: such as
: to plane or make smooth
: to apply the surface layer to
: the surface included within a set of lines
: the scope of a concept, operation, or activity : field
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