Stimulant

{stim’ ’ -u-lant) \_stimuhts, a goad]. I. Stimulating. 2. An agent that causes stimulation. S., Cardiac, one that increases the heart’s action. S., Cerebral, one that exalts the action of the cerebrum. S., Diffusive, one that has a prompt but transient effect. S., Hepatic, one that of excites the activity of the liver. 600