surfaces is a form of:

Surface



noun
1.
(the outside of an object, any of the sides of an object, the uppermost area, the top of a table or desk, etc., outward appearance) ប៉ែកខាងក្រៅ, ធ្លាក្រៅ, ផ្ទៃក្រៅ, surfaces (of a cube) មុខ, on the surface សើ
2.
(surface of the earth) ផ្ទៃ
adjective
1.
(of at the surface, superficial, insincere, superficial) នៃខាងក្រៅ
verbpast tense: surfaced ; past participle: surfaced ; present participle: surfacing ;
1.
(INTRANSITIVE) (1. To rise to the surface. 2. To emerge after concealment. 3. To work or dig a mine at or near the surface of the ground) submarines surface ងើប, ផុសឡើង, new facts surface លេចឡើង
2.
(TRANSITIVE) (to give a surface to, to smooth, to come to the surface from below) ពាសពីលើឬពីក្រៅ
Example: The surface of the Earth, of water, Rise to the surface, the surface of things, surface tension, surface mail, scratch the surface (of), surface to air.surface a road ចាក់កៅស៊ូ
ENGLISH MEANING
noun
1.
The exterior part of anything that has length and breadth; one of the limits that bound a solid, esp. the upper face; superficies; the outside; as, the surface of the earth; the surface of a diamond; the surface of the body.
2.
Hence, outward or external appearance.
3.
A magnitude that has length and breadth without thickness; superficies; as, a plane surface; a spherical surface.
4.
That part of the side which is terminated by the flank prolonged, and the angle of the nearest bastion.
verbpast tense: surfaced ; past participle: surfaced ; present participle: surfacing ;
1.
(TRANSITIVE) To give a surface to; especially, to cause to have a smooth or plain surface; to make smooth or plain.
2.
(TRANSITIVE) To work over the surface or soil of, as ground, in hunting for gold.
1.
A small plane or surface, usually capable of adjustment but not of manipulation, for preserving lateral balance in an aeroplane or flying machine.