Short for Armstrong gun.

(uncountable, physics) Abbreviation of extreme ultraviolet. / (countable, automotive) Initialism of crossover utility vehicle.

(philosophy, psychology, now rare) Something perceived; the object of perception.

(obsolete, music) A kind of percussion idiophone, like the marimba, but with either wooden or steel keys designed to be bowed as well as played normally, developed by J.C. Deagan in early 20th cent...