prog·nos·tic /prɑgˈnɑstɪk/
  (a.)表示預兆的,預後的前兆,預測,預言
  prog·nos·tic /prɑgˈnɑstɪk/ 形容詞
  預後的,預後性癥狀,預兆的,預示的,預兆,預測,預知
  Prog·nos·tic, v. t. To prognosticate. [Obs.]
  ◄ ►
  Prog·nos·tic a.  Indicating something future by signs or symptoms; foreshowing; aiding in prognosis; as, the prognostic symptoms of a disease; prognostic signs.
  Prog·nos·tic, n.
  1. That which prognosticates; a sign by which a future event may be known or foretold; an indication; a sign or omen; hence, a foretelling; a prediction.
  That choice would inevitably be considered by the country
  as a prognostic of the highest import.   --Macaulay.
  2. Med. A sign or symptom indicating the course and termination of a disease.
  Syn: -- Sign; omen; presage; token; indication.
  prognostic
       adj : of or relating to prediction; having value for making
             predictions [syn: predictive, prognosticative]
       n : a sign of something about to happen; "he looked for an omen
           before going into battle" [syn: omen, portent, presage,
            prognostication, prodigy]