(functional analysis) A generalized Euclidean space in which mathematical functions take the place of points; crucial to the understanding of quantum mechanics and other applications.

(algebra, geometry, mathematics, topology) A set of elements called vectors, together with some field and operations called addition (mapping two vectors to a vector) and scalar multiplication (mapping a vector and an element in the field to a vector), satisfying a list of constraints.

(idiomatic) The difference between the cost of the fuel required to produce a unit of electricity, and the price of that same unit of electricity.

The act of two spacecraft docking.

A space in which a car or other vehicle can be parked.

Alternative spelling of lifespan.

(pathology) Of, relating to, or affected by spasm. / (pathology) Of or relating to spastic paralysis. / (slang, derogatory, offensive in the UK) Clumsy.

(now offensive, especially in UK) A person affected by spastic paralysis or spastic cerebral palsy. / (slang, offensive especially in UK) A stupid, clumsy person.

Alternative form of spam (“tinned meat product”)

A surname.