FromMiddle Englishoperant, fromLatinoperāns.^[1]

operant (comparativemoreoperant,superlativemostoperant)

1. Thatoperates to produce aneffect.

   thy mostoperant poison

   • 1955,Rex Stout, "When a Man Murders...", inThree Witnesses, October 1994Bantam 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 anythingoperant to that end I certainly would not withhold it.

• operative

• inoperant

operant (pluraloperants)

1. An operative person or thing.
2. (psychology) Any of aclass ofbehaviors that produce consequences byoperating (i.e., acting)upon theenvironment.

• Skinner box

• Paterno,Protean,pronate,protean,tropane

operant

1. gerund ofoperar

operant

1. third-personpluralpresentactiveindicative ofoperō

Borrowed fromFrenchopérant.

operant m orn (feminine singularoperantă,masculine pluraloperanți,feminine/neuter pluraloperante)

1. operant

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