[ ey-zen-ik, ey-zee-nik ]
/ eɪˈzɛn ɪk, eɪˈzi nɪk /

adjective Biology.

(of an experimental animal) raised under sterile conditions; germfree.
(of a laboratory culture) uncontaminated.

Origin of axenic

1940–45; a-6 + Greek xenikós foreign. See xeno-, -ic

Related forms

a·xen·i·cal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for axenic


/ (eɪˈziːnɪk) /


(of a biological culture or culture medium) free from other microorganisms; uncontaminated

Word Origin for axenic

C20: see a- 1, xeno-, -ic
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 axenic


[ ā-zĕnĭk, ā-zēnĭk ]


Not contaminated by or associated with any other living organisms; sterile. Used especially in reference to pure cultures of microorganisms.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.