Definition of excitant in English:

excitant

Line breaks: ex¦cit|ant
Pronunciation: /ˈɛksɪt(ə)nt
 
, ɪkˈsʌɪt(ə)nt
 
, ɛk-/

noun

Biology
  • A substance which elicits an active physiological or behavioural response: what happens when chemical excitants flood into the brain?
    More example sentences
    • 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.

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Word of the day skosh
Pronunciation: skōSH
noun
a small amount; a little