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- DictionaryStim·u·lus/ˈstimyələs/
noun
- 1. a thing or event that evokes a specific functional reaction in an organ or tissue: "areas of the brain which respond to auditory stimuli"
1. : something that rouses or stirs to action : incentive. 2. : something (as an environmental change) that acts to partly change bodily activity (as by exciting a sensory organ) heat, light, and sound are common physical stimuli.
In general, a stimulus is something that provokes or causes an action or response, as in Failing that test was the stimulus I needed to start studying harder. The plural of stimulus is stimuli . Its verb form is stimulate , which typically means to spur into action or to invigorate.
A stimulus causes an action or response, like the ringing of your alarm clock if you didn't sleep through it. Stimulus is a word often used in biology — something that causes a reaction in an organ or cell, for example.
something that causes growth or activity: Foreign investment has been a stimulus to the industry. The book will provide a stimulus to research in this very important area. biology specialized. something that causes part of the body to react:
STIMULUS definition: 1. something that causes growth or activity: 2. something that causes part of the body to react…. Learn more.
stimulus. [usually singular] something that helps somebody/something to develop better or more quickly. stimulus for something Books provide children with ideas and a stimulus for play. stimulus to something The new tax laws should act as a stimulus to exports.
2 days ago · 1. something that rouses or incites to action or increased action; incentive. 2. Physiology and Psychology. any action or agent that causes or changes an activity in an organism, organ, or part, as something that excites an end organ, starts a nerve impulse, activates a muscle, etc.
