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physiologist

American  
[fiz-ee-ol-uh-jist] / ˌfɪz iˈɒl ə dʒɪst /

noun

  1. a specialist in physiology.


Etymology

Origin of physiologist

First recorded in 1655–65; physiolog(y) + -ist


Explanation

A physiologist is a scientist who studies how our organs, cells, and systems work to keep us healthy and alive. A physiologist explores how our heart pumps blood, how our lungs take in oxygen, and how our muscles move. By understanding these processes, physiologists are able to help develop treatments for diseases and improve overall health. Their work is essential in medicine, sports, and research, making sure our bodies function at their best. Through their discoveries, physiologists play a crucial role in advancing healthcare and improving quality of life.

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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.

See Examples For:

Loren Cordain, an exercise physiologist, found commercial success with “The Paleo Diet” in 2002.

From The Wall Street Journal ● Aug. 26, 2026

Stanford professor Jamie Zeitzer, a physiologist who studies circadian cycles and how humans respond to light, supports ending the twice-a-year time changes.

From Los Angeles Times ● Jul. 14, 2026

"I'm a sleep physiologist who understands the health benefits of sleep, but the strength of the association between sleep sufficiency and life expectancy was remarkable to me."

From Science Daily ● Jan. 10, 2026

Gabrielle Reason, a physiologist and the association's director, has her own surprising view on why.

From BBC ● Oct. 16, 2025

With the help of the physiologist A. V. Hill, he obtained a small grant to come up to Cambridge in the fall of 1947.

From "Double Helix" by James D. Watson

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