Akademik

1. Stimulating; exciting to action. 2. An agent that arouses organic activity, strengthens the action of the heart, increases vitality, and promotes a sense of well-being; classified according to the parts upon which they chiefly act: cardiac, respiratory, gastric, hepatic, cerebral, spinal, vascular, genital. SYN: excitor, stimulator. SEE ALSO: stimulus. SYN: excitant. [L. stimulans, pres. p. of stimulo, pp. -atus, to goad, incite, fr. stimulus, a goad]

- diffusible s. a s. that produces a rapid but temporary effect.

- general s. a s. that affects the entire body.

- local s. a s. whose action is confined to the part to which it is applied.

stim·u·lant 'stim-yə-lənt n

1) an agent (as a drug) that produces a temporary increase of the functional activity or efficiency of an organism or any of its parts

2) STIMULUS (2)

an agent that promotes the activity of a body system or function. amphetamines and caffeine are stimulants of the central nervous system; doxapram is a respiratory stimulant (see analeptic).