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excitomotor

American  
[ik-sahy-tuh-moh-ter] / ɪkˌsaɪ təˈmoʊ tər /
Also excitomotory

adjective

Physiology.
  1. causing an increase of motor activity.

    excitomotor nerves.


Etymology

Origin of excitomotor

First recorded in 1830–40; excito- + motor