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 (ā-zĕn′ĭk, ā-zē′nĭk)
Not contaminated by or associated with any other living organisms. Usually used in reference to pure cultures of microorganisms that are completely free of the presence of other organisms.

[a- + Greek xenikos, foreign (from xenos, stranger; see ghos-ti- in Indo-European roots).]

a·xen′i·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


in a manner not associated with any other living organism
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Mycobiont-photobiont interactions in adult thalli and in axenically resynthesized pre-thallus stages of Xanthoriaparietina (Teloschistales, lichenized Ascomycetes).Biblioth.Lichenol.38:191-208.
Morphology, anatomy, and molecular studies of the ectomycorrhizal formed axenically by the fungus Sistotrema sp.
False negatives for both direct isolation and baiting techniques can occur in the case of species that are not easily culturable, or due to the presence of secondary microorganisms preventing Phytophthoras from growing axenically.
Since the system was carried out axenically, negative control did not show any fungal infection.
We axenically cultivated ameba stocks with genera-specific media in T25 tissue culture flasks at 28[degrees]C and verified them to be axenic by using standardized methods (19,35-37).
Szaniszlo, "Evidence for direct utilization of a siderophore, ferrioxamine B, in axenically grown cucumber," Plant, Cell & Environment, vol.
Pittman, "Effect of hamster liver passage on the virulence of axenically cultivated Entamoeba histolytica," The American Journal of Tropical Medicine and Hygiene, vol.
[29], [DELTA]dgcA mutants became a nonmotile host-independent strain that can grow axenically on nutrient-rich medium only.
Lemesre, "Axenically cultured amastigote forms as an in vitro model for investigation of antileishmanial agents," Antimicrobial Agents and Chemotherapy, vol.
These egg masses were inoculated axenically on petri plates containing potato dextrose agar (PDA) amended with streptomycin at 1g/L after surface sterilization with 0.5% NaOCl for 2 min (Singh and Mathur, 2014).
Axenically cultured Giardia trophozoites (P-I and WB strains) were collected in logarithmic growth phase of a culture incubated at 37[degrees]C for 72 h, the tubes are placed on ice bath for 10 minutes, and then concentration of parasites was adjusted to 1 x [10.sup.6]/0.5 mL by counting with Neubauer chamber.