That part of an optical system where real or virtual images are formed

The vector product of the translational and angular displacements of each joint of a robotic link; all the places that a robotic arm can access. / (anatomy) The space in a joint between two bones.

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

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.

A variable width space, or a number of space characters, inserted between words to make a line of printed text a desired length

(mathematics) Any topological subset of Euclidean space that is a compact set

any of several regions in a glow discharge in which little or no light is produced / (astronomy) the intergalactic void that exists between galaxies

The shaped cavity in a compression mold in which the substance to be molded is loaded

(rail transport) The space between the base and head of a rail in which a rigid steel bar is placed.

(mathematics) Any space exhibiting hyperbolic geometry rather than Cartesian geometry