plural of classifying space

(art) The space around and between the subjects of an image.

plural of negative space

The informal competition between the United States and the Soviet Union to launch unmanned satellites, send people into space and land them on the Moon.

vector space

Alternative spelling of spacefaring

A natural phenomenon picked up as a radio signal from outer space, and sounding like a loud hiss.

(topology) A space for which properties like uniform continuity and uniform convergence can be formulated.

(topology) A space for which notions of a Cauchy sequence and completeness exist.

(mathematics, physics) A four-dimensional real vector space equipped with an inner product of signature (−,+,+,+) or (+,−,−,−), in which special relativity is formulated