Plane section and Surface area

Plane section noun - (geometry) the area created by a plane cutting through a solid.

Surface area and plane section are semantically related. In some cases you can use "Surface area" instead a noun phrase "Plane section".

Surface area noun - The extent of a 2-dimensional surface enclosed within a boundary.

Plane section and surface area are semantically related. Sometimes you can replace phrase "Plane section" with "Surface area", this phrases are similar.