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anesthesiologist

American  
[an-uhs-thee-zee-ol-uh-jist] / ˌæn əsˌθi ziˈɒl ə dʒɪst /
Or anaesthesiologist

noun

  • anesthesiologists
    plural
  1. a physician who specializes in anesthesiology.


anesthesiologist British  
/ ˌænɪsˌθiːzɪˈɒlədʒɪst /

noun

  1. the US name for anaesthetist Compare anesthetist

"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

Other Word Forms

Noun Inflected Forms


Etymology

Origin of anesthesiologist

First recorded in 1940–45; anesthesiolog(y) + -ist


Compare meaning

How does anesthesiologist compare to similar and commonly confused words? Explore the most common comparisons:


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.

See Examples For:

Marek Domanski, 67, a pediatric anesthesiologist in Fresno, Calif., who also has a home in Boise, Idaho.

From The Wall Street Journal ● Aug. 12, 2026

We lose muscle mass as we age, notes Dr. Michael Joyner, an anesthesiologist and exercise expert at the Mayo Clinic.

From Barron's ● May 23, 2026

Though Lapicki works with plenty of certified registered nurse anesthetists—who are able to administer anesthesia—he or another anesthesiologist are always physically on hand, he said.

From The Wall Street Journal ● May 16, 2026

The doctor introduced himself, and an anesthesiologist did his thing.

From Los Angeles Times ● Feb. 3, 2026

Later that year, a Harvard anesthesiologist named Henry Beecher published a study in the New England Journal of Medicine showing that Southam’s research was only one of hundreds of similarly unethical studies.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot

Dr. Muhsen Abdullah, the surgeon who heads the emergency room, spoke with a weary tone of a ward without surgical thread or stitches, and anesthesiologists forced to ask patients to purchase their own anesthetic.

From Los Angeles Times ● Feb. 13, 2026

Outside of Tokyo and other big cities, access to epidurals is hampered by a lack of anesthesiologists.

From The Wall Street Journal ● Oct. 12, 2025

Patients come to the main U-M medical campus around eight times during the span of a month for infusions under the care of psychiatrists, anesthesiologists and other clinicians.

From Science Daily ● Feb. 8, 2024

Nurses, techs, OB residents and attendings, anesthesiologists, and Joe, with Hannah tucked against his chest in a warm football hold.

From Slate ● Nov. 26, 2023

No obstetricians, no anesthesiologists, no fancy monitoring devices.

From "The Kite Runner" by Khaled Hosseini

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