(set theory) A set large enough to contain all sets under consideration in the current context.

A safety explosive composed of nitroglycerine, nitrocellulose, sodium- and potassium nitrates; now largely replaced by grisoutite

In Taiwan, a young woman employed to sell betel nuts and cigarettes from an illuminated glass enclosure while wearing revealing clothing.

(physics) The property, in some gauge theories, of a strong interaction becoming arbitrarily weak at short distances