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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:

So before you start, speak to a certified exercise physiologist or physiotherapist.

From Science Daily ● Aug. 16, 2026

The sustained success on the track has allowed Painter and Meadows to expand the scale of their operation, with backing from big-name sponsors helping to add an assistant coach, track-side physiotherapist and dedicated physiologist.

From BBC ● Aug. 10, 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

“It’s virtually parallel with weight gain,” says Sam West, a physiologist and postdoctoral researcher at University of Oxford in England who was lead author of the BMJ review.

From The Wall Street Journal ● Jan. 28, 2026

Meanwhile, physiologist Sherburne F. Cook investigated the consequences of disease in the same area.

From "1491" by Charles C. Mann

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