1. pathognomic - Noun
2. pathognomic - Adjective
(now rare) Related to how emotions are manifested, especially in the face. [from 17th c.]
(medicine) Indicative of a specific disease, disorder etc.; pathognomonic. [from 17th c.]
pathognomic (plural pathognomics)
(medicine, obsolete) An indication of a specific disease or disorder. [17th–19th c.]