stimulus

play
noun stim·u·lus \ˈstim-yə-ləs\

Definition of stimulus

plural

stimuli

play \-ˌlī, -ˌlē\
  1. :  something that rouses or incites to activity: asa :  incentiveb :  stimulant 1c :  an agent (as an environmental change) that directly influences the activity of a living organism or one of its parts (as by exciting a sensory organ or evoking muscular contraction or glandular secretion)

Examples of stimulus in a sentence

  1. The pay raise was a stimulus for production.

  2. Heat and light are physical stimuli.

  3. The dog responded to the stimulus of the ringing bell.

Origin and Etymology of stimulus

Latin


First Known Use: 1684


STIMULUS Defined for English Language Learners

stimulus

play
noun stim·u·lus \ˈstim-yə-ləs\

Definition of stimulus for English Language Learners

  • : something that causes something else to happen, develop, or become more active

  • : something that causes a change or a reaction


STIMULUS Defined for Kids

stimulus

play
noun stim·u·lus \ˈsti-myə-ləs\

Definition of stimulus for Students

plural

stimuli

\-ˌlī, -ˌlē\
  1. 1 :  something that stirs or urges to action <The reward was a stimulus for greater effort.>

  2. 2 :  an influence that acts usually from outside the body to partly change bodily activity (as by exciting a receptor or sense organ) <Light, heat, and sound are common physical stimuli.>


Medical Dictionary

stimulus

play
noun stim·u·lus \ˈstim-yə-ləs\

Medical Definition of stimulus

plural

stimuli

\-ˌlī, -ˌlē\play play
  1. 1:  stimulant 1

  2. 2:  an agent (as an environmental change) that directly influences the activity of living protoplasm (as by exciting a sensory organ or evoking muscular contraction or glandular secretion) <a visual stimulus>



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