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adj. Relating to a dimension other than those of the normal three-dimensional world

adj. Applicable to multiple dimensionalities; Having components or subspaces of different dimension

"You could project an image from outside the Flatland universe into it, a kind of transdimensional Pepper's Ghost."

tridimensional   

rose-hung    by...the    now-open    air-supply    lacrymal    in-school    serious    icosahedral    still-empty    frameless