prognostic Meaning, Definition & Usage

  1. noun a sign of something about to happen
    omen; prodigy; prognostication; presage; portent.
    • he looked for an omen before going into battle
  2. adjective satellite of or relating to prediction; having value for making predictions
    prognosticative; predictive.

WordNet

Prog*nos"tic noun
Etymology
L. prognosticum, Gr. : cf. F. pronostic, prognostic. See Prognostic, a.
Definitions
  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. Parr. Syn. -- Sign; omen; presage; token; indication.
Prog*nos"tic transitive verb
Definitions
  1. To prognosticate. Obs.

Webster 1913