adjective. (of drugs e.g.) able to excite or stimulate.
Sentences with excitatory
1. Noun, singular or mass
Specifically, U.S. and Brazilian scientists reported that hydrogen peroxide may slow your heart by tampering with the transmission of an important excitatory amino acid called L-glutamate.
Acetylcholine is an excitatory neurotransmitter, meaning that it stimulates the brain, as contrasted with an inhibitory neurotransmitter that has a calming effect.