Definition of amphetamine in English English dictionary
A class of drugs used as a stimulant of the central nervous system in the treatment of ADHD, depression, and narcolepsy, and abused illegally as a stimulant
a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
Amphetamine is a drug which increases people's energy, makes them excited, and reduces their desire for food. = speed. a drug that gives you a feeling of excitement and a lot of energy (alpha-methyl-phenethylamine). Organic compound, prototype of a class of synthetic amphetamine drugs (e.g., Benzedrine, Dexedrine, methamphetamine), that stimulates the central nervous system. It was first synthesized in 1887. Amphetamines cause wakefulness, euphoria, decreased fatigue, and increased ability to concentrate. Since they dull the appetite, they have been used for weight reduction. Often called "speed," they are used (often illicitly) to stay awake. In children with attention deficit (hyperactivity) disorder, they have a calming effect, helping them concentrate. Undesirable effects include overstimulation, with paranoia, restlessness, insomnia, tremor, and irritability, and a deep depression when the drug wears off. This, along with rapid development of tolerance requiring increased doses, can lead to drug addiction
A compound (or its derivatives) that acts as a central nervous system stimulant Used as a stimulant in depressed states, to reduce appetite, and in attention-deficit disorders, it can also alleviate nasal congestion Amphetamine use can lead to dependence It has a high potential for abuse Blood and urine tests can detect amphetamine use and toxic levels
A family of drugs that stimulates the central nervous system, prescribed to treat attention-deficit disorders in children and also for narcolepsy They are habit-forming, are controlled under U S law and are no longer prescribed as appetite suppressants These drugs include amphetamine, dextroamphetamine, methamphetamine They may be ingredients of several combination drugs
A class of drugs that have pronounced stimulant effects on the central nervous system Street names include "speed," "uppers," "bennies," "pep pills," and the so-called designer drugs (such as Ecstasy)