plural of space heater

plural of space suit

plural of space research

plural of space weapon

The physical space closely surrounding a person, which can lead to discomfort, anger or anxiety if encroached on.

(mathematics) An incomplete metric space with an inner product.

Alternative form of pre-Hilbert space

(mathematics) An algebraic system used in quantum mechanics to describe quantum states with a variable or unknown number of particles.

(topology) A topological space for which any pair of distinct points are also topologically distinct, i.e., there is an open set which contains one of the points but not the other one.

(plural only, historical) The southern part of the Low Countries (modern Netherlands and Belgium) during and after the Eighty Years' War, ruled by Spain and lasting from 1581 to 1713.