(physics) The quantization of one or more components of the angular momentum of a system

(mathematics) A vector space whose basis of real numbers has three vectors

(uncountable) The application of science and engineering to the exploration and utilization of outer space / (countable) Any particular scientific or engineering discipline used in this field

(uncountable) Flight into, from or through space. / (countable) A voyage in space.

plural of sample space

plural of compact space

plural of connected space

plural of dark space

Alternative spelling of double-spaced

(functional analysis) A normed vector space which is complete with respect to the norm, meaning that Cauchy sequences have well-defined limits that are points in the space.