third dimension
noun
the additional dimension by which a solid object is distinguished from a planar projection of itself or from any planar object.
something that heightens the reality, vividness, or significance of a factual account, sequence of happenings, etc.: The illustrations added a third dimension to the story.
Origin of third dimension
First recorded in 1855–60
Words nearby third dimension
British Dictionary definitions for third dimension
third dimension
noun
the additional dimension by which a solid object may be distinguished from a two-dimensional drawing or picture of it or from any planar object