Is “Pathognomonic” a Scrabble word?
Yes
PATHOGNOMONIC
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Pathognomonic
/ˌpaθəɡnə(ʊ)ˈmɒnɪk/
adjective
1.(of a sign or symptom) specifically characteristic or indicative of a particular disease or condition.