A broad step between flights of a staircase. / (mathematics) Either of the two parts of three-dimensional space divided by a plane.

(mathematics) Any topological space which cannot be written as the disjoint union of two or more nonempty open spaces.

(mathematics) Any Riemann space in which the metric tensors are constants throughout

To type (or format) text without leaving a blank line between each line of text. / To type (or format) text with only one space between consecutive sentences.

Sufficient space or a span of time in which to recover one's breath. / A rest, pause, or respite. / Enough distance so that one can feel unfettered.

That part of an electron tube in which electrons interact with a modulated field

(mathematics) Any metric space whose elements are functions

Alternative spelling of spacelike

(mathematical analysis) A measurable space which has a positive measure defined on its σ-algebra.

Any defensive measure against an attack by missiles etc while in space