physiological
adjective
phys·i·o·log·i·cal
ˌfi-zē-ə-ˈlä-ji-kəl 
variants
or physiologic
1
: of or relating to physiology
2
: characteristic of or appropriate to an organism's healthy or normal functioning
the sodium level was physiological
3
: differing in, involving, or affecting physiological factors
a physiological strain of bacteria
Examples of physiological in a Sentence
Recent Examples on the Web
Working in the Harvard Innovation Labs with co-founders and fellow students John Capodilupo and Aurelian Nicolae, Ahmed wrote his first business plan and developed early prototypes with physiological sensors.
—
Tom Huddleston Jr.
blair Baek, CNBC, 9 June 2026
Meal timing and the gut In the new research, the authors defined chronic physiological stress by participants’ composite allostatic load score — which involves eight cardiovascular, metabolic and inflammatory biomarkers, such as blood pressure, cholesterol and body mass index.
—Kristen Rogers, CNN Money, 8 June 2026
Researchers examined whether regular use could influence physiological measures associated with stress regulation, including heart rate variability, a marker of autonomic nervous system function.
—Samantha Agate, Fort Worth Star-Telegram, 8 June 2026
Lower cabin altitude can help reduce the physiological stress associated with high-altitude travel, an important factor for passengers flying across time zones on long-haul routes.
—Atharva Gosavi, Interesting Engineering, 6 June 2026
See All Example Sentences for physiological
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Tom Huddleston Jr.
blair Baek, CNBC, 9 June 2026
Meal timing and the gut In the new research, the authors defined chronic physiological stress by participants’ composite allostatic load score — which involves eight cardiovascular, metabolic and inflammatory biomarkers, such as blood pressure, cholesterol and body mass index.
—Kristen Rogers, CNN Money, 8 June 2026
Researchers examined whether regular use could influence physiological measures associated with stress regulation, including heart rate variability, a marker of autonomic nervous system function.
—Samantha Agate, Fort Worth Star-Telegram, 8 June 2026
Lower cabin altitude can help reduce the physiological stress associated with high-altitude travel, an important factor for passengers flying across time zones on long-haul routes.
—Atharva Gosavi, Interesting Engineering, 6 June 2026
See All Example Sentences for physiological
Cite this Entry
“Physiological.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/physiological. Accessed 17 Jun. 2026.
Copy CitationKids Definition
physiological
adjective
phys·i·o·log·i·cal
ˌfiz-ē-ə-ˈläj-i-kəl
variants
or physiologic
1
: of or relating to physiology
2
: characteristic of healthy or normal functioning of the body
Medical Definition
physiological
adjective
phys·i·o·log·i·cal
ˌfiz-ē-ə-ˈläj-i-kəl
variants
or physiologic
1
: of or relating to physiology
2
: characteristic of or appropriate to an organism's healthy or normal functioning
3
: differing in, involving, or affecting physiological factors
a physiological strain of bacteria
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