[an-ok-see-uh, uh-nok-]


an abnormally low amount of oxygen in the body tissues; hypoxia.
the mental and physical disturbances that occur as a result of hypoxia.

Origin of anoxia

First recorded in 1930–35; an-1 + ox(ygen) + -ia
Related formsan·ox·ic, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for anoxia

Historical Examples of anoxia

  • There they encountered the larvae of the Cetonia, the Oryctes, the Anoxia, succulent morsels on which to rear their families.

    More Hunting Wasps

    J. Henri Fabre

  • Employing our feeble energies in turns, we dig a trench in the sand where I hope to find the Anoxia.

    More Hunting Wasps

    J. Henri Fabre

  • I told myself: When I can't read the numbers any more I'll know my vision is blurring from the beginning of anoxia.

    Last Resort

    Stephen Bartholomew

  • What must have happened is that the suit ran out of oxygen, and I lost consciousness due to anoxia.

    Accidental Death

    Peter Baily

  • Hypoxia or anoxia or lack of oxygen could affect his memory.

    Warren Commission (6 of 26): Hearings Vol. VI (of 15)

    The President's Commission on the Assassination of President Kennedy

British Dictionary definitions for anoxia



lack or absence of oxygen
a deficiency of oxygen in tissues and organsCompare hypoxia
Derived Formsanoxic, adjective

Word Origin for anoxia

C20: from an- + ox (ygen) + -ia
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

Medicine definitions for anoxia


[ăn-ŏksē-ə, ə-nŏk-]


The absence or reduced supply of oxygen in inspired gases, arterial blood, or tissues.
Related formsan•oxic adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.