Third-person singular simple present indicative form of uncrown

plural of booketeria

(UK, slang, obsolete) A jury of twelve people.

(mathematics) An abstraction of distance; a function, d, with two arguments that satisfies d(x,x) = 0 and d(x, y) + d(y,z) ≥ d(x,z) (the triangle inequality) for all x,y,z in the domain.