excitatory

adjective ex·cit·ato·ry \ ik-ˈsī-tə-ˌtȯr-ē \

Definition of excitatory

: exhibiting, resulting from, relating to, or producing excitement or excitation
  • excitatory nerve fibers

Recent Examples of excitatory from the Web

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First Known Use of excitatory

1803

in the meaning defined above

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Medical Dictionary

excitatory

adjective ex·cit·ato·ry \ ik-ˈsīt-ə-ˌtōr-ē, -ˌtȯr- \

medical Definition of excitatory

1 : tending to induce excitation (as of a neuron)
  • excitatory substances
  • excitatory and inhibitory pathways from the brain
  • —W. G. Van der Kloot
2 : exhibiting, resulting from, related to, or produced by excitement or excitation
  • an excitatory postsynaptic potential

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