physiologist
noun
phys·i·ol·o·gist
ˌfi-zē-ˈä-lə-jist 
plural physiologists
: 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
Jessica GormanThe "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
David GolmanEvery 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
Deborah BlumenthalExamples of physiologist in a Sentence
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According to an emerging school of thought associated with Spanish exercise physiologist Iñigo San Millán, lactate levels are a key marker of mitochondrial health, which in turn is an important determinant of metabolic flexibility.
—Alex Hutchinson, Outside, 5 Mar. 2026
Getting to the root of the problem The results are consistent with what other studies have found, says Peter Catcheside, a sleep and respiratory physiologist at Flinders University in Australia who was not involved in the work.
—Veronique Greenwood, Time, 4 Mar. 2026
Their numbers, on average, are similar to skimo racers, says Verena Menz, an exercise physiologist at the University of Innsbruck in Austria, who studies these athletes.
—Matt Fuchs, Scientific American, 18 Feb. 2026
An exercise physiologist who once worked with Attia told me that Attia sent him to do a physical evaluation of Epstein at the late financier’s cavernous Manhattan residence in July 2017.
—Tom Bartlett, The Atlantic, 3 Feb. 2026
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Alex Hutchinson, Outside, 5 Mar. 2026
Getting to the root of the problem The results are consistent with what other studies have found, says Peter Catcheside, a sleep and respiratory physiologist at Flinders University in Australia who was not involved in the work.
—Veronique Greenwood, Time, 4 Mar. 2026
Their numbers, on average, are similar to skimo racers, says Verena Menz, an exercise physiologist at the University of Innsbruck in Austria, who studies these athletes.
—Matt Fuchs, Scientific American, 18 Feb. 2026
An exercise physiologist who once worked with Attia told me that Attia sent him to do a physical evaluation of Epstein at the late financier’s cavernous Manhattan residence in July 2017.
—Tom Bartlett, The Atlantic, 3 Feb. 2026
See All Example Sentences for physiologist
Cite this Entry
“Physiologist.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/physiologist. Accessed 12 Mar. 2026.
Copy CitationMedical Definition
physiologist
noun
phys·i·ol·o·gist
ˌfiz-ē-ˈäl-ə-jəst
: a specialist in physiology
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