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单词 excitant
释义

Definition of excitant in English:

excitant

noun ˈɛksɪt(ə)ntɪkˈsʌɪt(ə)ntɪkˈsaɪtnt
Biology
  • A substance which elicits an active physiological or behavioural response.

    what happens when chemical excitants flood into the brain?
    Example sentencesExamples
    • Some people find that coffee brings out tremor; this is due to the presence of caffeine, which is an excitant; these effects are not, however, universal.
    • The resulting synaptic inhibition is characterized by either a depressant or an excitant effect, depending on the population of cells involved.
    Synonyms
    tonic, restorative, reviver, energizer, refresher
 
 

Definition of excitant in US English:

excitant

nounikˈsītntɪkˈsaɪtnt
Biology
  • A substance which elicits an active physiological or behavioral response.

    what happens when chemical excitants flood into the brain?
    Example sentencesExamples
    • Some people find that coffee brings out tremor; this is due to the presence of caffeine, which is an excitant; these effects are not, however, universal.
    • The resulting synaptic inhibition is characterized by either a depressant or an excitant effect, depending on the population of cells involved.
    Synonyms
    tonic, restorative, reviver, energizer, refresher
 
 
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更新时间:2025/3/22 5:07:15