(Metaph.) The state or quality of being distinguishable from the perceiving mind, by being in space, and possessing material quality; externality; objectivity. "The outness of the objects of sense."
... that the idea of outness (in the sense of discontinuity with the sentient body) could be attained by such a person; for, as we have seen, every tactile sensation is referred to a point either of the natural sensory surface itself, or of some solid in continuity with that surface. Hence it would appear that the ... — Critiques and Addresses • Thomas Henry Huxley
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