the branch of medical science concerned with the diagnosis and nonsurgical treatment of disorders of the internal structures of the body
WordReference Random House Unabridged Dictionary of American English © 2025
inter′nal med′icine,
- Medicinethe branch of medicine dealing with the diagnosis and nonsurgical treatment of diseases, esp. of internal organ systems.
- 1900–05
Collins Concise English Dictionary © HarperCollins Publishers::
'internal medicine' also found in these entries (note: many are not synonyms or translations):