1 definition by RMC Chemist
An extremely potent organophosphate nerve agent. It was discovered by the British shortly after WWII and was promptly weaponized by most major powers. VX has the colour and consistency of motor oil. As with all nerve agents, VX blocks the function of acetylcholinesterase in the synapses, leading to recurring muscle spasms and eventually death by suffocation. Death can occur within 15 minutes of contact, either with skin or by inhalation/ingestion. VX is so lethal that a drop the size of Lincoln's eye on the reverse of an American penny is enough to kill an adult through skin contact. It is a persistent agent, therefore contaminated areas will remain contaminated for weeks or even months. It is difficult to destroy, since it is resistant to high temperatures and water will only increase the spread of contamination. These characteristics present an extremely acute cross-contamination hazard. If contact with VX occurs, seek medical attention IMMEDIATELY. To quote Nicholas Cage: "It's one of those things we wish we could dis-invent."
by RMC Chemist March 24, 2011