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.

A species of finch Padda oryzivora, native of Java, but very commonly kept as a cage bird.

Alternative form of sparrowgrass