/ˈɪɚnˌtɪst/ iRN-tist

Definitions

1. noun

A medical doctor who specializes in the diagnosis and treatment of adults, especially those with internal diseases.

“The internist specialized in treating patients with diabetes and hypertension.”

2. verb

To examine or treat (a patient) as an internist.

“The doctor interned the patient for several hours before sending them home.”