Definition of "operant" in Englisch

adjective

1. That operates to produce an effect.

   • thy most operant poison
   • I tell you frankly, if Paul Aubry is guilty I hope is convicted and punished; but if one of the others is guilty I hope he—or she—is punished, and if I knew anything operant to that end I certainly would not withhold it.

noun

1. An operative person or thing.

2. (psychology) Any of a class of behaviors that produce consequences by operating (i.e., acting) upon the environment.