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covering space
(mathematics) A map from a topological space onto another by local homeomorphisms of disjoint preimages. / (mathematics, informal) The space so mapped.
space invader
A hostile alien from outer space.
space bars
space cadets
plural of space cadet
space stations
plural of space station
space complexity
(computer science) A measure of the amount of space, or memory required by an algorithm to solve a given decision problem. An informal analogy would be the amount of scratch paper needed while working out a problem with pen and paper.
thick space
(letterpress typography) A metal block used to separate words, one third of an em in width. / (typography) In digital text, a character representing a thick space.
Hausdorff space
(topology) A topological space in which for any two distinct points x and y, there is a pair of disjoint open sets U and V such that x∈U and y∈V.
quotient space
(topology and algebra) A space obtained from another by identification of points that are equivalent to one another in some equivalence relation.
space shuttles
plural of space shuttle