All of space beyond the gravitational influence of Earth, or outside the Solar System, or distant from stars

(mathematics) a vector space having no origin

(geology) All the pores in a rock; the volume of such pores

Alternative spelling of n space

(mathematics) n-dimensional Euclidean space

Alternative letter-case form of space age

(mathematics) The path traced by the instantaneous centre of a rotating three-dimensional body moving relative to an inertial frame of reference

The region of space containing objects that an optical system can form images of.

(physics) The localized excess electric charge in a specific volume; especially such a negative charge

(biology) Any of various biological sciences that deal with living things in a space environment