noun🔗Share(proper) The racemic freebase of 1-phenylpropan-2-amine; an equal parts mixture of levoamphetamine and dextroamphetamine in their pure amine forms."The chemist explained that amphetamines are a mixture of two very similar compounds that affect the brain differently. "medicinesubstancechemistrybiochemistryChat with AIVocabulary GamePractice Reading
noun🔗ShareAny mixture of the two amphetamine enantiomers, dextroamphetamine and levoamphetamine."Doctors sometimes prescribe amphetamines to help children with ADHD focus better in school. "medicinesubstancechemistryChat with AIVocabulary GamePractice Reading
noun🔗ShareReferring to a substituted amphetamine; a member of the amphetamine class of chemicals."Some students illegally use amphetamines to stay awake and focus while studying for exams. "medicinesubstancechemistryChat with AIVocabulary GamePractice Reading
noun🔗ShareA potent central nervous system stimulant of the phenethylamine chemical class that is used to treat ADHD, narcolepsy, and obesity."The doctor prescribed amphetamines to help the student focus in school and manage his ADHD. "medicinesubstancechemistryChat with AIVocabulary GamePractice Reading
