• synonyms


[aw-toj-uh-nuh s]
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  1. self-produced; self-generated.
  2. Physiology. pertaining to substances generated in the body.
  3. Metallurgy. self-fused, without the addition of solder or the application of an adhesive: an autogenous weld between two pieces of the same metal.
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Origin of autogenous

1840–50; < Greek autogen(ḗs) self-produced (see auto-1, -gen) + -ous
Related formsau·tog·e·nous·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for autogenous

Historical Examples

  • Not quite so spectacular but every bit as useful is the autogenous welding by means of these magic wands.

    The Boy's Book of New Inventions

    Harry E. Maule

  • Dissolved acetylene is also very useful for acetylene welding or autogenous soldering.

  • This apparatus is supplied on a trolley for use in autogenous soldering or welding.

  • The tubing and castings are joined together by hard soldering, brazing or autogenous welding.

    Aviation Engines

    Victor Wilfred Pag

  • These last may be autogenous delusions or thoughts about actual events which precipitated the psychosis.

    Benign Stupors

    August Hoch

British Dictionary definitions for autogenous


    1. originating within the bodyCompare heterogenous
    2. denoting a vaccine made from bacteria obtained from the patient's own body
  1. self-generated; self-produced
  2. denoting a weld in which the filler metal and the parent metal are of similar composition
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Derived Formsautogenously, 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 autogenous


"self-generated," 1846, earlier autogeneal (1650s), from Greek autogenes "self-produced," from autos "self" (see auto-) + genes "formation, creation" (see genus). Modern form and biological use of the word said to have been coined by English paleontologist Richard Owen (1804-1892).

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Online Etymology Dictionary, © 2010 Douglas Harper

autogenous in Medicine


  1. Of or relating to autogenesis; self-generating.
  2. Of or relating to vaccines prepared from bacteria obtained from the infected person.
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Related formsau•toge•nous•ly adv.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.