[fiz-ee-uh-loj-i-kuh l]


of or relating to physiology.
consistent with the normal functioning of an organism.

Often phys·i·o·log·ic.

Origin of physiological

First recorded in 1600–10; physiolog(y) + -ical
Related formsphys·i·o·log·i·cal·ly, adverbnon·phys·i·o·log·ic, adjectivenon·phys·i·o·log·i·cal, adjectivenon·phys·i·o·log·i·cal·ly, adverbun·phys·i·o·log·i·cal, adjectiveun·phys·i·o·log·i·cal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for physiological



of or relating to physiology
of or relating to normal healthful functioning; not pathological
Derived Formsphysiologically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for physiological

c.1600, "pertaining to natural science," from physiology + -ical. From 1814 as "pertaining to physiology." Related: Physiologically.

Online Etymology Dictionary, © 2010 Douglas Harper

physiological in Medicine




Of or relating to physiology.
Being in accord with or characteristic of the normal functioning of a living organism.
Relating to the action of a drug when given to a healthy person, as distinguished from its therapeutic action.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.