Definition for STIM'U-LUS

STIM'U-LUS, n. [L. This word may be formed on the root of stem, a shoot.]

  1. Literally, a goad; hence, something that rouses the mind or spirits; as, the hope of gain is a powerful stimulus to labor and action.
  2. In medicine, that which produces a quickly diffused or transient increase of vital energy and strength of action the circulating system.

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