stimulus

名词 n.
中文释义
美 /ˈstɪm.jə.ləs/

英文释义

名词 n.
  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.
    — an economic stimulus
  2. Something external that elicits or influences a physiological or psychological activity or response, or that affects any of the sensory apparatuses.
    — Even light nonpainful stimuli can provoke or exacerbate spontaneous pain; this is not limited to tactile, thermal, or vibratory stimuli, because auditory, visual, olfactory, and visceral stimuli also may be problematic.
  3. A stinging part on the body of a plant or insect.
    — Many plants, like many animals, are furnished with arms for their protection; these are either aculei, prickles […]; or stimuli, stings, as in the nettles, which are armed with a venomous fluid for the annoyance of naked animals.

词形变化

stimuluses plural stimuli plural

词汇关系

衍生词
antistimulus chemostimulus contrastimulus costimulus counterstimulus discriminative stimulus external stimulus extrastimulus gravistimulus hyperstimulus interstimulus mechanostimulus microstimulus noxious stimulus peristimulus photostimulus Porkulus poststimulus poverty of the stimulus prestimulus stimulon stimulus check stimulus delta stimulus-response time superstimulus tristimulus

词源

Borrowed from Latin stimulus (“goad, prick”).
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