stimulus
/ˈstɪm.jə.ləs/
An external phenomenon that has an influence on a system, by triggering or modifying an internal phenomenon; for example, a spur or incentive that drives a person to take action or change behaviour; Something external that elicits or influences a physiological or psychological activity or response, or that affects any of the sensory apparatuses
- plural
- stimuli
Meanings
- 1
An external phenomenon that has an influence on a system, by triggering or modifying an internal phenomenon; for example, a spur or incentive that drives a person to take action or change behaviour
Light is the stimulus that causes a flower to open.
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- 2
Something external that elicits or influences a physiological or psychological activity or response, or that affects any of the sensory apparatuses
- 3
A stinging part on the body of a plant or insectrare