physiologist
Americannoun
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.
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.
Hollie Page, a cardiac physiologist at Bart's Hospital, happened to pass him as he lay on the concourse of Liverpool Street station.
From BBC • Apr. 6, 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
Stewart, a 78-year-old exercise physiologist at Johns Hopkins, believes that going up and down stairs helps keep seniors in shape, himself included.
From Barron's • Oct. 11, 2025
But McDermott, the University of Arkansas physiologist, noted that while dehydration alone is unlikely to kill you, if you develop hyponatremia and it goes unchecked, then it could rapidly be deadly in and of itself.
From Slate • Aug. 17, 2025
Krebs fled that same year, as did the biochemist Ernest Chain and physiologist Wilhelm Feldberg.
From "The Gene" by Siddhartha Mukherjee
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.