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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.

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

From MarketWatch • Feb. 7, 2026

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

From Salon • Nov. 25, 2024

Pieter Cohen, a Harvard Medical School professor and internist at the Cambridge Health Alliance, says he might have been “wholeheartedly supportive” of Makary’s nomination—if it had occurred before the pandemic.

From Science Magazine • Nov. 25, 2024

Jyotika Wali, an internist, described the incident as “terrorizing” and said now even grocery trips leave her filled with “fear of what may happen.”

From Los Angeles Times • Dec. 29, 2023

A prominent Detroit internist was called upon to treat four of his patients within an hour after they had been exposed while watching the planes at work.

From "Silent Spring" by Rachel Carson

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