Methamphetamine (USAN) (play /ˌmɛθæmˈfɛtəmiːn/), also known as metamfetamine (INN),[2] meth, ice, speed, crystal, glass, tik, N-methylamphetamine, methylamphetamine, and desoxyephedrine, is a psychostimulant of the phenethylamine and amphetamine class of psychoactive drugs.
Singer Stacy “Fergie” Ferguson of the Black Eyed Peas appears with her wax figure after it was unveiled at Madame Tussauds Las Vegas at The Venetian September 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Singer Rihanna performs onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)
(L-R) Natalie Burns and Taunia Arave battle as referee Nick Stevens (R) looks on during the US National Sumo Championships at the Riviera Hotel & Casino June 24, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Singers Steven Tyler (L) and Nicole Scherzinger perform onstage at the iHeartRadio Music Festival held at the MGM Grand Garden Arena on September 24, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for Clear Channel)
Soviet cosmonaut and the first man to travel in space, Yury Alekseyvich Gagarin (1934–1968) arriving in London for a Russian trade fair. (Photo by Douglas Miller/Getty Images)
Nine-year-old Barry Miller appears none too impressed with the movements of an African Rock Python which is exploring his scalp. (Photo by Keystone/Getty Images). 27th August 1961
Jonathan Miller, sweet grocery buyer and bee hive designer, checks the bees on the roof at Fortnum and Mason on July 22, 2008 in London. (Photo by Peter Macdiarmid/Getty Images)