|1.||a drug or similar substance that increases physiological activity, esp of a particular organ|
|2.||any stimulating agent or thing|
|3.||increasing physiological activity; stimulating|
|[C18: from Latin stimulāns goading, from stimulāre to urge on; see |
stimulant stim·u·lant (stĭm'yə-lənt)
An agent that arouses organic activity, strengthens the action of the heart, increases vitality, and promotes a sense of well-being. adj.
Serving as or being a stimulant.
|stimulant (stĭm'yə-lənt) Pronunciation Key
An agent, especially a drug, that causes increased activity, especially of the nervous or cardiovascular systems. Caffeine is a commonly used stimulant.