in‧tern‧ist /ˈɪntɜːnəst, ˈɪntɜːnɪst $ -ɜːr-/ noun [countable] American English
[Date: 1900-2000; Origin: internal (medicine) + -ist]
a doctor who has a general knowledge about all illnesses and medical conditions of organs inside your body, and who treats illnesses that do not need operations

[TahlilGaran] Dictionary of Contemporary English ▲