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
Birth is a rapid physiological overhaul.
—
Kaif Shaikh, Interesting Engineering, 25 Sep. 2025
The chemical structure of caffeine is similar to that of adenosine, a naturally occurring chemical in the body that plays a role in various physiological processes, including the perception of pain.
—Emily Brown, Verywell Health, 24 Sep. 2025
Perhaps tearing originally grew out of a physiological reflex that restored moisture to the eyes and nasal passages after they had been dried out by the pressure of wincing or the hyperventilation of arousal.
—Big Think, 23 Sep. 2025
Studies have shown that microplastics can interfere with vital physiological functions in aquatic organisms, affecting respiration, growth, nutrition, reproduction, and survival.
—Melissa Cristina Márquez, Forbes.com, 16 Sep. 2025
See All Example Sentences for physiological
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Kaif Shaikh, Interesting Engineering, 25 Sep. 2025
The chemical structure of caffeine is similar to that of adenosine, a naturally occurring chemical in the body that plays a role in various physiological processes, including the perception of pain.
—Emily Brown, Verywell Health, 24 Sep. 2025
Perhaps tearing originally grew out of a physiological reflex that restored moisture to the eyes and nasal passages after they had been dried out by the pressure of wincing or the hyperventilation of arousal.
—Big Think, 23 Sep. 2025
Studies have shown that microplastics can interfere with vital physiological functions in aquatic organisms, affecting respiration, growth, nutrition, reproduction, and survival.
—Melissa Cristina Márquez, Forbes.com, 16 Sep. 2025
See All Example Sentences for physiological
Cite this Entry
“Physiological.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/physiological. Accessed 30 Sep. 2025.
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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