名詞 prognostic:

1. a sign of something about to happen
   同義詞：omen, portent, presage, prognostication, prodigy

形容詞 prognostic:

1. of or relating to prediction; having value for making predictions
   同義詞：predictive, prognosticative

prog.nos.tic

adj.（形容詞）
Of, relating to, or useful in prognosis.
預(yù)測的：預(yù)測的，與之有關(guān)的或在預(yù)測中有用的
Of or relating to prediction; predictive.
預(yù)知的：預(yù)言的或與之有關(guān)的；預(yù)知的
n.（名詞）
A sign or symptom indicating the future course of a disease.
預(yù)后：顯示疾病演變前景的現(xiàn)象或癥狀
A sign of a future happening; a portent.
前兆：表明將來要發(fā)生的事情的現(xiàn)象；預(yù)兆

來源：
Middle English pronostik [prognosticating, omen]
中古英語 pronostik [預(yù)知的，前兆]
from Medieval Latin prognôsticus [prognosticating,]
源自 中世紀(jì)拉丁語 prognôsticus [顯示征候的]
and from Latin prognôsticum [omen] [from neuter of] prognôsticus
并源自 拉丁語 prognôsticum [前兆] [] 源自prognôsticus的中性詞
from Greek prognôstikos
源自 希臘語 prognôstikos
from prognôsis [foreknowledge] * see prognosis
源自 prognôsis [先知] *參見 prognosis