## SURFACE

### Surface

In mathematics, specifically, in topology, a surface is a two-dimensional, topological manifold. The most familiar examples are those that arise as the boundaries of solid objects in ordinary three-dimensional Euclidean space R3 â€” for example, the surface of a ball. On the other hand, there are surfaces, such as the Klein bottle, that cannot be embedded in three-dimensional Euclidean space without introducing singularities or self-intersections.

The above text is a snippet from Wikipedia: Surface

### surface

#### Noun

1. The overside or up-side of a flat object such as a table, or of a liquid.
2. The outside hull of a tangible object.
3. Outward or external appearance.
On the surface, the spy looked like a typical businessman.
4. The locus of an equation (especially one with exactly two degrees of freedom) in a more-than-two-dimensional space.
5. That part of the side which is terminated by the flank prolonged, and the angle of the nearest bastion.

#### Verb

1. To provide something with a surface.
2. To apply a surface to something.
3. To rise to the surface.
4. To come out of hiding.
5. For information or facts to become known.
6. To work a mine near the surface.
7. To appear or be found.

The above text is a snippet from Wiktionary: surface