phys·​i·​ol·​o·​gist | \ ˌfi-zē-ˈä-lə-jist How to pronounce physiologist (audio) \
plural physiologists

Definition of physiologist

: a person specializing in the biological study of the functions and processes of living organisms and their parts : a biologist specializing in physiology Beall also compared the percentage of hemoglobin in each person's blood that carries oxygen—a value known by physiologists as oxygen saturation.— Jessica Gorman The "fight or flight" reaction has long been known to physiologists: the heart beats faster, the muscles are readied and the body is primed in the most primitive of survival instincts.— David Golman Every exercise program should be personally prescribed by a professional—such as a sports-medicine physician or an exercise physiologist—and should aim at improving flexibility, strength and cardiovascular functioning.— Deborah Blumenthal

First Known Use of physiologist

1666, in the meaning defined above

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The first known use of physiologist was in 1666

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Cite this Entry

“Physiologist.” Dictionary, Merriam-Webster, Accessed 13 Aug. 2020.

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More Definitions for physiologist


phys·​i·​ol·​o·​gist | \ ˌfi-zē-ˈä-lə-jəst \

Kids Definition of physiologist

: a person specializing in physiology


phys·​i·​ol·​o·​gist | \ ˌfiz-ē-ˈäl-ə-jəst How to pronounce physiologist (audio) \

Medical Definition of physiologist

: a specialist in physiology

More from Merriam-Webster on physiologist

Spanish Central: Translation of physiologist

Nglish: Translation of physiologist for Spanish Speakers

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