surface

American  

[sur-fis] / ˈsɜr fɪs /

noun

1. the outer face, outside, or exterior boundary of a thing; outermost or uppermost layer or area.

2. any face of a body or thing.

   the six surfaces of a cube.

3. extent or area of outer face; superficial area.

4. the outward appearance, especially as distinguished from the inner nature.

   to look below the surface of a matter.

5. Geometry. any figure having only two dimensions; part or all of the boundary of a solid.

6. land or sea transportation, rather than air, underground, or undersea transportation.

7. Aeronautics. an airfoil.

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adjective

1. of, on, or pertaining to the surface; external.

2. apparent rather than real; superficial.

   to be guilty of surface judgments.

3. of, relating to, or via land or sea.

   surface mail.

4. Linguistics. belonging to a late stage in the transformational derivation of a sentence; belonging to the surface structure.

verb (used with object)

surfaced, surfacing

1. to finish the surface of; give a particular kind of surface to; make even or smooth.

2. 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

1. to rise to the surface.

   The submarine surfaced after four days.

2. to work on or at the surface.

surface British  

/ ˈsɜːfɪs /

noun

1. 1. the exterior face of an object or one such face

   2. ( as modifier )

      surface gloss

2. 1. the area or size of such a face

   2. ( as modifier )

      surface measurements

3. material resembling such a face, with length and width but without depth

4. 1. the superficial appearance as opposed to the real nature

   2. ( as modifier )

      a surface resemblance

5. geometry

   1. the complete boundary of a solid figure

   2. a continuous two-dimensional configuration

6. 1. the uppermost level of the land or sea

   2. ( as modifier )

      surface transportation

7. to emerge; become apparent

8. to all appearances

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verb

1. to rise or cause to rise to or as if to the surface (of water, etc)

2. (tr) to treat the surface of, as by polishing, smoothing, etc

3. (tr) to furnish with a surface

4. (intr) mining

   1. to work at or near the ground surface

   2. to wash surface ore deposits

5. (intr) to become apparent; emerge

6. informal (intr)

   1. to wake up

   2. to get up

surface Idioms  

1. see on the surface; scratch the surface.

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Other Word Forms

• nonsurface noun
• surfaceless adjective
• surfacer noun
• unsurfaced adjective

Etymology

Origin of surface

First recorded in 1605–15; from French; equivalent to sur- ¹ + face; apparently modeled on Latin superficies superficies

Example Sentences

There was also a requirement that sewage and surface water drainage be handled away from the site's cliff edge.

From BBC

"I was involved in the launch preparation of the experiments that the astronauts put out on the lunar surface," he explains.

From BBC

“As temperatures warm in the spring, we see a dramatic increase in daytime surface activity,” Pauly said.

From Los Angeles Times

The Artemis group of missions aims to return Americans to the lunar surface and establish a permanent presence on the Moon.

From Barron's

In a study published in Nature, they describe a flexible material that can rapidly shift its surface patterns and colors, forming features smaller than a human hair.

From Science Daily

Related Words

• area
• expanse
• exterior
• facade
• face
• façade
• level
• side
• skin
• top