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internist

American

[in-tur-nist, in-tur-nist] / ˈɪn tɜr nɪst, ɪnˈtɜr nɪst /

noun

a physician specializing in the diagnosis and nonsurgical treatment of diseases, especially of adults.

internist British

/ ɪnˈtɜːnɪst, ˈɪntɜːnɪst /

noun

a physician who specializes in internal medicine

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of internist

An Americanism dating back to 1900–05; intern(al medicine) + -ist

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Patients are self-reporting, and telehealth companies don’t have the patient in front of them to conduct a proper medical assessment,” said Rupal Mathur, an internist in Houston whose practice specializes in weight loss.

From The Wall Street Journal • May 17, 2026

“Older patients need to change their mindset,” said Adam Rosenbluth, a New York City-based internist and cardiologist.

From MarketWatch • Feb. 7, 2026

Chestnut is putting his “bad doctor” days behind him, taking on a new specialty as a compassionate geneticist and internist in CBS’ medical drama “Watson,” a modern reboot of the Sherlock Holmes mythology.

From Los Angeles Times • Jan. 26, 2025

Trump has nominated Dr. David Weldon an internist and former GOP congressman from Florida to head the CDC.

From Salon • Nov. 25, 2024

She moved probably a little like Jack, a little unapparently, she probably just seemed to get from one place to another, floating majestically through her life until the day the internist informed them otherwise.

From "Native Speaker" by Chang-rae Lee

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023