(organic chemistry) The nerve agent O-ethyl S-[2-(diisopropylamino)ethyl] methylphosphonothioate.

The practice of collecting and trading computer viruses.

(aviation) The indicated airspeed at which an aircraft's maximum sustained angle of climb is the steepest. / (astrology) Vertex.

(Internet slang) An author or creator of computer viruses.

plural of VXer

plural of Vx

plural of Vxse

(aviation) The indicated airspeed at which a multiengine aircraft's maximum sustained angle of climb with only one engine running is the steepest.