amphetamine

n. a CNS stimulant, closely related in structure and activity to ephedrine (see ephedra), that is the prototype of the group of drugs known as the amphetamines. Amphetamine is a chiral molecule, composed of two stereoisomers (mirror images): levoamphetamine and dextroamphetamine. Specific amphetamines may be racemic mixtures of both stereoisomers (U.S. trade name: Benzedrine.

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Psychology term of the day

December 18th 2024

class limit

the uppermost and lowermost values between which lie a range of values constituting a segment or class of a variable: the upper and lower boundaries of a class interval.