Noun
the fourth coordinate that is required (along with three spatial dimensions) to specify a physical event
Source: WordNetOne thing is sure – we have to transform the three-dimensional world of objects into the two-dimensional world of the canvas... To transform three into two dimensions is for me an experience full of magic in which I glimpse for a moment that fourth dimension which my whole being is seeking. Max Beckmann
It is reported so. But men are divided in opinion as to the facts. And even granting the facts, they explain them in different ways. And in any case, however great may be the number of different explanations, no one has adopted or suggested the theory of a Fourth Dimension. Edwin Abbott Abbott
The discovery that mass changes with velocity, a discovery made when minute bodies came under consideration, finally forced surrender of the notion that mass is a fixed and inalienable possession of ultimate elements or individuals, so that time is now considered to be their fourth dimension. John Dewey
Rotation through a fourth dimension can't affect a three-dimensional figure any more than you can shake letters off a printed page. Robert A. Heinlein
I had formed a vague idea that the sex sphere was a hypersphere extending into the fourth dimension. Which meant that if the sphere's giant cunt swallowed me I could end up somewhere very... different. Rudy Rucker
Design in art, is a recognition of the relation between various things, various elements in the creative flux. You can't invent a design. You recognize it, in the fourth dimension. That is, with your blood and your bones, as well as with your eyes. D. H. Lawrence