Surface word meaning and definition

[noun] a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight
[noun] the outer boundary of an artifact or a material layer constituting or resembling such a boundary; "there is a special cleaner for these surfaces"; "the cloth had a pattern of red dots on a white surface"
[noun] information that has become public; "all the reports were out in the open"; "the facts had been brought to the surface"
[noun] a superficial aspect as opposed to the real nature of something; "it was not what it appeared to be on the surface"
[noun] the extended two-dimensional outer boundary of a three-dimensional object; "they skimmed over the surface of the water"; "a brush small enough to clean every dental surface"; "the sun has no distinct surface"
[noun] the outermost level of the land or sea; "earthquakes originate far below the surface"; "three quarters of the Earth's surface is covered by water"
[adjective] on the surface; "surface materials of the moon"
[verb] appear or become visible; make a showing; "She turned up at the funeral"; "I hope the list key is going to surface again"
[verb] put a coat on; cover the surface of; furnish with a surface; "coat the cake with chocolate"
[verb] come to the surface

\Sur"face`\, n. [F. See {Sur-}, and {Face}, and cf. {Superficial}.] 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. The bright surface of this ethereous mold. --Milton. 2. Hence, outward or external appearance. Vain and weak understandings, which penetrate no deeper than the surface. --V. Knox. 3. (Geom.) A magnitude that has length and breadth without thickness; superficies; as, a plane surface; a spherical surface. 4. (Fort.) That part of the side which is terminated by the flank prolonged, and the angle of the nearest bastion. --Stocqueler. {Caustic surface}, {Heating surface}, etc. See under {Caustic}, {Heating}, etc. {Surface condensation}, {Surface condenser}. See under {Condensation}, and {Condenser}. {Surface gauge} (Mach.), an instrument consisting of a standard having a flat base and carrying an adjustable pointer, for gauging the evenness of a surface or its height, or for marking a line parallel with a surface. {Surface grub} (Zo["o]l.), the larva of the great yellow underwing moth ({Triph[oe]na pronuba}). It is often destructive to the roots of grasses and other plants. {Surface plate} (Mach.), a plate having an accurately dressed flat surface, used as a standard of flatness by which to test other surfaces. {Surface printing}, printing from a surface in relief, as from type, in distinction from plate printing, in which the ink is contained in engraved lines.
\Sur"face\, v. t. [imp. & p. p. {Surfaced}; p. pr. & vb. n. {Surfacing}.] 1. To give a surface to; especially, to cause to have a smooth or plain surface; to make smooth or plain. 2. To work over the surface or soil of, as ground, in hunting for gold.

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