stimulant Hear it!

stimulant definition

stimu·lant (stim′yə lənt)

adjective

that stimulates; stimulating

Etymology: L stimulans, prp.

noun

anything that stimulates; specif.,
  1. any drug, medicine, etc., as an amphetamine, caffeine, nicotine, or cocaine, that temporarily increases the activity of some vital process, organ, or system, esp. the nervous system
  2. popularly an alcoholic drink: alcohol is physiologically a depressant

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