What is active agent?

  • (noun): Chemical agent capable of activity.
    Synonyms: active

Famous quotes containing the words agent and/or active:

    The average American is a good sport, plays by the rules. But this war is no game. And no secret agent is a hero or a good sport—that is, no living agent.
    John Monks, Jr., U.S. screenwriter, Sy Bartlett, and Henry Hathaway. Robert Sharkey (James Cagney)

    Few, if any, creatures are equally active all night.
    Henry David Thoreau (1817–1862)