| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024am•phet•a•mine /æmˈfɛtəˌmin, -mɪn/USA pronunciation n. [countable]- Drugsa drug that stimulates the central nervous system, used in medicine to counteract depression and often abused as a stimulant.
WordReference Random House Unabridged Dictionary of American English © 2024am•phet•a•mine (am fet′ə mēn′, -min),USA pronunciation n. [Pharm.]- Drugsa racemic drug, C9H13N, that stimulates the central nervous system: used chiefly to lift the mood in depressive states and to control the appetite in cases of obesity.
- a(lpha) + m(ethyl) + ph(enyl) + et(hyl) + amine 1935–40
Collins Concise English Dictionary © HarperCollins Publishers:: amphetamine /æmˈfɛtəˌmiːn -mɪn/ n - a synthetic colourless volatile liquid used medicinally as the white crystalline sulphate, mainly for its stimulant action on the central nervous system, although it also stimulates the sympathetic nervous system. It can have unpleasant or dangerous side effects and drug dependence can occur; 1-phenyl-2-aminopropane. Formula: C6H5CH2CH(NH2)CH3
Etymology: 20th Century: from a( lpha) + m( ethyl) + ph( enyl) + et( hyl) + -amine |