Prog*nos"tic (?), a. [Gr. &?;. See Prognosis.]

Indicating something future by signs or symptoms; foreshowing; aiding in prognosis; as, the prognostic symptoms of a disease; prognostic signs.

© Webster 1913

Prog*nos"tic, n. [L. prognosticum, Gr. &?;: cf. F. pronostic, prognostic. See Prognostic, a.]

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.

© Webster 1913

Prog*nos"tic, v. t.

To prognosticate. [Obs.]

© Webster 1913