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bacterio-or bacteri- or bacter-
Bacteria; bacterial: bacteriology.
[From New Latin bactērium, bacterium; see bacterium.]
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.
bacteri-or sometimes before a vowel
(Microbiology) indicating bacteria or an action or condition relating to or characteristic of bacteria: bacteriology; bactericide; bacteroid.
[New Latin, from bacteria]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
bac•te•ri•a(bækˈtɪər i ə)
n.pl., sing. -te•ri•um (-ˈtɪər i əm)
any of numerous groups of microscopic one-celled organisms constituting the phylum Schizomycota, of the kingdom Monera, various species of which are involved in infectious diseases, nitrogen fixation, fermentation, or putrefaction.
[1905–10; < New Latin < Greek baktḗria, pl. of baktḗrion; see bacterium]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.