Definitions

1. noun

relating to or denoting the study of the diagnosis or treatment of a particular disease or condition, especially one that is obscure or rare.

“The doctor specialized in a nosistic area of medicine, treating patients with rare genetic disorders.”

2. adjective

relating to the diagnosis or treatment of a particular disease or condition, especially one that is obscure or rare.

“The nosistic clinic was renowned for its expertise in treating patients with complex medical conditions.”