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Definitions of stimulus

  1. That which excites or produces a temporary increase of vital action, either in the whole organism or in any of its parts; especially (Physiol.), any substance or agent capable of evoking the activity of a nerve or irritable muscle, or capable of producing an impression upon a sensory organ or more particularly upon its specific end organ. Newage Dictionary DB
  2. A goad: anything that rouses the mind, or that excites to action: a stimulant:-pl. STIMULI. The american dictionary of the english language. By Daniel Lyons. Published 1899.
  3. Anything that rouses to action. The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894.
  4. Anything that rouses or excites. The Concise Standard Dictionary of the English Language. By James Champlin Fernald. Published 1919.
  5. Something which stimulates; a stimulant; a sting. Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914.
  6. In med., that which produces a sudden but transitory increase of vital action; anything that excites to action; a stimulant; in bot., applied to stinging hairs with an irritating secretion at the base. Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
  7. An agent which causes a body or some part of it to react when affected by it. A dictionary of scientific terms. By Henderson, I. F.; Henderson, W. D. Published 1920.

Usage examples for stimulus

  1. He does not know the stimulus of pain. – A Maker of History by E. Phillips Oppenheim
  2. When one considers how little mental stimulus and training comes to the average girl after leaving school and is aware of the vast majority who leave school at any early age, she is not surprised at the lack of power to think on the part of so many, and at the very limited knowledge she finds when attempting to teach. – The Girl and Her Religion by Margaret Slattery
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