po·lem·ic /pəˈlɛmɪk/
  (a.)論戰的,好爭論的攻擊,爭論,辯論,辯論者
  Po·lem·ic a.
  1. Of or pertaining to controversy; maintaining, or involving, controversy; controversial; disputative; as, a polemic discourse or essay; polemic theology.
  2. Engaged in, or addicted to, polemics, or to controversy; disputations; as, a polemic writer.
  Po·lem·ic, n.
  1. One who writes in support of one opinion, doctrine, or system, in opposition to another; one skilled in polemics; a controversialist; a disputant.
     The sarcasms and invectives of the young polemic.   --Macaulay.
  2. A polemic argument or controversy.
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  polemic
       adj : of or involving dispute or controversy [syn: polemical]
       n 1: a writer who argues in opposition to others (especially in
            theology) [syn: polemicist, polemist]
       2: a controversy (especially over a belief or dogma)