pathognomonic Meaning, Definition & Usage

Pa*thog`no*mon"ic adjective
Etymology
Gr. skilled in judging of diseases; a disease + skilled: cf. F. pathognomonique. See Gnomic.
Definitions
  1. (Med.) Specially or decisively characteristic of a disease; indicating with certainty a disease; as, a pathognomonic symptom.
    The true pathognomonic sign of love jealousy. Arbuthnot.

Webster 1913