ˌi(ˌ)nərˈvāshən noun
Etymology: in- (II) + nerve + -ation
1. : the act, process, or an instance of innervating : the state of being innervated ; specifically : the nervous excitation necessary for the maintenance of the life and functions of the various organs
2. : the distribution of nerves to or in a part : the nerve supply (as of a part or organ)
• in·ner·va·tion·al | ̷ ̷(ˌ) ̷ ̷|vāshən ə l, -shnəl adjective