Definition of peptidergic in English:
peptidergic
adjective ˌpɛptɪˈdəːdʒɪkˌpɛptʌɪˈdəːdʒɪk
Physiology Liberating or stimulated by a neuropeptide; specifically designating a neuron which releases one or more particular neuropeptides when stimulated.
Origin
1960s. From peptide + -ergic. Compare German peptiderg.