What is the definition or description of: amphetamine?

See Below: Amphetamine is a psychostimulant drug of the phenethylamine class that produces increased wakefulness and focus in association with decreased fatigue and appetite. (source wikipedia). For more information about amphetamines check out this web-site: http://www.Drugs.Com/amphetamine.Html.

Amphetamine: A psychostimulant, controlled drug schedule ii, with abuse potential. It acts to enhance Dopamine and norepinephrine in the body, including the brain. It can decrease appetite- was used as a diet pill, treat narcolepsy and adhd, pathological fatigue, sea sickness. Derived from ephedra plant molecule, ephedrine (ephedrine sulfate).