Definition of excitant in English:


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


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.

Definition of excitant in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day demoralize
Pronunciation: dəˈmôrəˌlīz
cause (someone) to lose confidence or hope; dispirit