the outer face, outside, or exterior boundary of a thing; outermost or uppermost layer or area.
any face of a body or thing:
the six surfaces of a cube.
extent or area of outer face; superficial area.
the outward appearance, especially as distinguished from the inner nature:
to look below the surface of a matter.
Geometry. any figure having only two dimensions; part or all of the boundary of a solid.
land or sea transportation, rather than air, underground, or undersea transportation.
Aeronautics. an airfoil.
of, on, or pertaining to the surface; external.
apparent rather than real; superficial:
to be guilty of surface judgments.
of, relating to, or via land or sea:
Linguistics. belonging to a late stage in the transformational derivation of a sentence; belonging to the surface structure.
verb (used with object), surfaced, surfacing.
to finish the surface of; give a particular kind of surface to; make even or smooth.
to bring to the surface; cause to appear openly:
Depth charges surfaced the sub. So far we’ve surfaced no applicants.
verb (used without object), surfaced, surfacing.
to rise to the surface:
The submarine surfaced after four days.
to work on or at the surface.
the exterior face of an object or one such face
(as modifier): surface gloss
the area or size of such a face
(as modifier): surface measurements
material resembling such a face, with length and width but without depth
the superficial appearance as opposed to the real nature
(as modifier): a surface resemblance
the complete boundary of a solid figure
a continuous two-dimensional configuration
the uppermost level of the land or sea
(as modifier): surface transportation
come to the surface, to emerge; become apparent
on the surface, to all appearances
to rise or cause to rise to or as if to the surface (of water, etc)
(transitive) to treat the surface of, as by polishing, smoothing, etc
(transitive) to furnish with a surface
to work at or near the ground surface
to wash surface ore deposits
(intransitive) to become apparent; emerge
to wake up
to get up
surface sur·face (sûr’fəs)
The outer or topmost part of a solid structure.
sure thing, a
adjective 1. (of a substance, esp a detergent) capable of lowering the surface tension of a liquid, usually water See also surfactant surface-active adj. Of, relating to, or being a substance capable of reducing the surface tension of a liquid in which it is dissolved. Used especially of detergents.
- Surface-active agent
[sur-fis-ak-tiv] /ˈsɜr fɪsˌæk tɪv/ noun, Chemistry. 1. any substance that when dissolved in water or an aqueous solution reduces its surface tension or the interfacial tension between it and another liquid.
- Surface analgesia
surface analgesia n. See topical anesthesia.
- Surface anatomy
surface anatomy n. The study of the configuration of the surface of the body, especially in relation to its internal parts.