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anesthesiologist

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

noun

  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

Etymology

Origin of anesthesiologist

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

Compare meaning

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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.

The anesthesiologist said he made enough to afford it, "but I've seen a lot of my friends complaining about it that they're not gonna drive as much as they used to."

From Barron's • Mar. 31, 2026

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

From Los Angeles Times • Feb. 3, 2026

“You can get into fairly intimate conversations,” says Vivek Moitra, 50, an anesthesiologist and critical-care physician in New York who got into saunas a few years ago.

From The Wall Street Journal • Sep. 12, 2025

What if a nurse and the anesthesiologist aren’t getting along that day and their feud affects your care?

From Slate • May 2, 2025

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