(printing, historical) A thin piece of metal used to open the lines of type to a regular distance from each other, and for other purposes; a lead.

(printing, historical) A fine, thin, short metal rule of the same height as the type, used in printing short lines in tabular matter.

Zariski-Riemann space

The perisinusoidal space, a location in the liver between a hepatocyte and a sinusoid, containing the blood plasma.

Alternative form of spacelore

Alternative form of floorspace

(mathematics) A vector space of functions equipped with a norm that is a combination of Lp-norms of the function itself as well as its derivatives up to a given order.

An enclosed area with limited space and accessibility.

Taking up only a limited amount of space or room; compact.

(billiards) In the balk-line game, any of eight spaces, 7 × 3½ inches, lying along a cushion and bisected transversely by a balk line. Object balls in an anchor space are treated as in balk.