Pronunciation

change

Singular
surface

Plural
surfaces

  1. The surface of an object is the outside of the thing.
    The surface of the earth is very large.
  2. The surface of a liquid is the top of it.
    The surface of the lake was smooth.

Plain form
surface

Third-person singular
surfaces

Past tense
surfaced

Past participle
surfaced

Present participle
surfacing

  1. (intransitive) When a thing surfaces, it comes to the top of liquid.
    The fish surfaced to get food.
    The swimmer surfaced for air.
  2. (intransitive) If information or facts surface, they are revealed or become known.
    Reports surfaced that claimed the company was under investigation.