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third dimension

    1. the dimension of depth in something as distinguished from the two dimensions of any of its flat surfaces
    2. the quality of having, or of seeming to have, such depth, or solidity
  1. the quality of being true to life or of seeming real or realistic

Related Forms:

See third dimension in American Heritage Dictionary 4

noun
  1. The quality of depth or thickness in an object or a space.
  2. The quality of seeming real or lifelike.

Related Forms:

  • thirdˌ-di·menˈsion·al (thûrdˌdĭ-mĕnˈshə-nəl) adjective

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