adrenergic adrenergic /ˌædrəˈnɜːrdʒɪk/

adjective

1. Relating to epinephrine (its release or action)  ( adrenergic , sympathomimetic )
   relating to epinephrine (its release or action)
   

noun

1. Drug that has the effects of epinephrine  ( adrenergic , adrenergic drug )
   drug that has the effects of epinephrine