Surface
two-dimensional manifold, and, as such, may be an "abstract surface" not embedded in any Euclidean space
parametric surface
helicoid
bedding
sphere
torus
subdivision surface
white space
minimal surface
Seifert surface
saddle surface
catenoid
Steiner surfaces
equipotential surface
potential energy surface
Gaussian surface
face
water table
surface (mathematics)
Clifton–Pohl torus
specific surface area
Klein surface
genus g surface
Roman surface
phase boundary
ruled surface
cross section
surface of revolution
painting support
interface