[ noun ] the fourth coordinate that is required (along with three spatial dimensions) to specify a physical event



Used in print

(Nathan Rapport, ""I've Been Here before!"...)

A `` mental_image '' subconsciously impressing us from beneath its language symbols in wakeful thought , or consciously in light sleep , is actually not an image at_all but is comprised of realities , viewed not in the concurrent sensory stream , but within the depths of the fourth_dimension .

If the fourth_dimension is a physical concept and not purely metaphysical , through what medium does it extend ?

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