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.

Definition of excitant in:

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Word of the day hypnopompic
Pronunciation: ˌhɪpnə(ʊ)ˈpɒmpɪk
adjective
relating to the state immediately preceding waking up