wide open space, void / worthless

to feel / to sense / to experience

freedom, liberty / (rare) demand (for goods or services) / (euphemistic) a toilet, a restroom

(physics) space / (mathematics) space / area, room

big; great

Alternative form of 広原 (kōgen, “wide plain”)

(idiomatic) to feel inferior, to feel small

free (as in freedom) / flexible

(mathematical analysis) Banach space - a normed vector space which is complete, in the sense that Cauchy sequences converge

(mathematics, geometry) Euclidian space - a space where the prinicples of Euclidean geometry apply.