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[fiz-ee-uh-loj-i-kuh l]
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  1. of or relating to physiology.
  2. 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for physiologic

Contemporary Examples

Historical Examples

  • Our sympathy may grow cool if we regard them with a physiologic eye.

  • Who can say where the line is to be drawn to our chemical, physical, physiologic knowledge?

  • At the periods of physiologic stress these effects are especially noticeable.


    Eugene S. Talbot

  • In senile arteriosclerosis there is the physiologic atrophy of the media to be reckoned with.

    Arteriosclerosis and Hypertension:

    Louis Marshall Warfield

  • The influence of altitude on the physiologic characteristics is, however, very evident.


    Eugene S. Talbot

British Dictionary definitions for physiologic


  1. of or relating to physiology
  2. 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 physiologic



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

Online Etymology Dictionary, © 2010 Douglas Harper

physiologic in Medicine


  1. Of or relating to physiology.
  2. Being in accord with or characteristic of the normal functioning of a living organism.
  3. 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.