Solido

noun
The image from a three-dimensional projector.
Source
Dune

Trimensional

adjective
Having or appearing to have length, breadth, and depth: a three-dimensional object.
Origin
Derived from triplus (triple).
Source
Foundation

Hyperspace

noun
A spacial dimension through which faster-than-light travel is possible.
Source
The Voyage of the Space Beagle