/ Dictionary / Index A amphetamine: Meaning and Definition of Find definitions for: am•phet•a•mine Pronunciation: (am-fet'u-mēn", -min), [key] — n. Pharm. a racemic drug, CHN, that stimulates the central nervous system: used chiefly to lift the mood in depressive states and to control the appetite in cases of obesity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: amphetamine (Thesaurus) ampersand amphi- Related Content Daily Word Quiz: rotund Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language