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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

abstraction, abstract entity go
a general concept formed by extracting common features from specific examples

attribute go
an abstraction belonging to or characteristic of an entity

space, infinite go
the unlimited expanse in which everything is located

mathematical space, topological space
(mathematics) any set of points that satisfy a set of postulates of some kind

noun.group

4 Subcategories

subspace go
a space that is contained within another space
null space go
a space that contains no points
manifold go
a set of points such as those of a closed surface or an analogue in three or more dimensions
metric space go
a set of points such that for every pair of points there is a nonnegative real number called their distance that is symmetric and satisfies the triangle inequality