op·er·a·tive /ˈɑp(ə)rətɪv, ˈɑpəˌre-/
 (a.)動作的,運轉的,生產有關的職員,刑警,偵探


 op·er·a·tive /ˈɑp(ə)rətɪv, ˈɑpəˌret-/ 形容詞
 操作的,工作的,有效的,手術的,有關手術的,活動的


 Op·er·a·tive a.
 1. Having the power of acting; hence, exerting force, physical or moral; active in the production of effects; as, an operative motive; operative laws.
    It holds in all operative principles.   --South.
 2. Producing the appropriate or designed effect; efficacious; effective; as, an operative dose, rule, or penalty.
 3. Surg. Based upon, or consisting of, an operation or operations; as, operative surgery.


 Op·er·a·tive, n.
 1. A skilled worker; an artisan; esp., one who operates a machine in a mill or manufactory.

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 operative
      adj 1: being in force or having or exerting force; "operative
             regulations"; "the major tendencies operative in the
             American political system" [ant: inoperative]
      2: of or relating to a surgical operation; "operative surgery"
      3: relating to or requiring or amenable to treatment by surgery
         especially as opposed to medicine; "a surgical appendix";
         "a surgical procedure"; "operative dentistry" [syn: surgical]
         [ant: medical]
      4: effective; producing a desired effect; "the operative word"
         [syn: key]
      5: (of e.g. a machine) performing or capable of performing; "in
         running (or working) order"; "a functional set of brakes"
         [syn: running(a), functional, working(a)]
      n 1: a person secretly employed in espionage for a government
           [syn: secret agent, intelligence officer, {intelligence
           agent]
      2: someone who can be employed as a detective to collect
         information [syn: private detective, PI, private eye,
          private investigator, shamus, sherlock]