Noun: amphetamine am'fe-tu,meen
- A central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
"The student illegally used amphetamine to stay awake during exam week";
- pep pill [informal], upper [informal], speed [informal]
Derived forms: amphetamines
Type of: drug of abuse, excitant, stimulant, stimulant drug, street drug
Encyclopedia: Amphetamine