operant

== English == === Etymology === From Middle English operant, from Latin operāns. === Adjective === operant (comparative more operant, superlative most operant) That operates to produce an effect. 1955, Rex Stout, "When a Man Murders...", in Three Witnesses, October 1994 Bantam edition, →ISBN, page 117: 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. ==== Synonyms ==== operative ==== Antonyms ==== inoperant ==== Derived terms ==== === Noun === operant (plural operants) An operative person or thing. (psychology) Any of a class of behaviors that produce consequences by operating (i.e., acting) upon the environment. === See also === Skinner box === References === === Anagrams === Paterno, Protean, pronate, protean, tropane == Catalan == === Verb === operant gerund of operar == Latin == === Verb === operant third-person plural present active indicative of operō == Romanian == === Etymology === Borrowed from French opérant. === Adjective === operant m or n (feminine singular operantă, masculine plural operanți, feminine/neuter plural operante) operant ==== Declension ====