A topological space such that every intersection of a countable collection of open dense sets in the space is also dense.

(cognition, philosophy, psychology) The visual world as subjectively perceived by an aware observer.

A state or situation in which cultural distinctions do not apply, allowing one to transcend cultural assumptions. / Used other than figuratively or idiomatically: see third, space.

Alternative form of third space

Alternative form of spaceborne

The body of law governing space-related activities.

plural of space complexity

a large gun or cannonlike structure capable of launching an object into space.

(geometry) A kind of geometrical space in which only relation(s) of incidence between points and lines matter; in such a space distances or angles do not matter and parallelism (as in an affine space) does not matter either.

(science fiction, ufology, fandom slang, slang) A generic disease found in space, especially one transmissible by sexual encounters.