(topology, logic) A topological space constructed from a Boolean algebra, whose points are ultrafilters on the algebra.

A long, narrow spade for cutting and digging turf.

(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.

(algebraic geometry) A locally ringed space of a subring k of a field K, whose points are valuation rings containing k and contained in K. They generalize the Riemann surface of a complex curve.

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.