bacterially

bacteria

[bak-teer-ee-uh]
plural noun, singular bacterium [bak-teer-ee-uhm] .
ubiquitous one-celled organisms, spherical, spiral, or rod-shaped and appearing singly or in chains, comprising the Schizomycota, a phylum of the kingdom Monera (in some classification systems the plant class Schizomycetes), various species of which are involved in fermentation, putrefaction, infectious diseases, or nitrogen fixation.

Origin:
1905–10; < Neo-Latin < Greek baktḗria, plural of baktḗrion; see bacterium

bacterial, adjective
bacterially, adverb
nonbacterial, adjective
nonbacterially, adverb
unbacterial, adjective
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World English Dictionary
bacteria (bækˈtɪərɪə)
 
pl n , sing -rium
See also prokaryote a very large group of microorganisms comprising one of the three domains of living organisms. They are prokaryotic, unicellular, and either free-living in soil or water or parasites of plants or animals
 
[C19: plural of New Latin bacterium, from Greek baktērion, literally: a little stick, from baktron rod, staff]
 
bac'terial
 
adj
 
bac'terially
 
adv

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Etymonline
Word Origin & History

bacteria
1847, from Mod.L. pl. of bacterium, from Gk. bakterion "small staff," dim. of baktron "stick, rod," from PIE *bak- "staff used for support." So called because the first ones observed were rod-shaped. Introduced as a scientific word 1838 by Ger. naturalist Christian Gottfried Ehrenberg (1795-1876). Related:
Bacterial (1871).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

bacteria bac·te·ri·a (bāk-tǐr'ē-ə)
n.
Plural of bacterium.


bac·te'ri·al adj.
The American Heritage® Stedman's Medical Dictionary
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American Heritage
Science Dictionary
bacteria   (bāk-tîr'ē-ə)  Pronunciation Key 
Plural of bacterium.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

bacteria definition


sing. bacterium

Microorganisms made up of a single cell that has no distinct nucleus. Bacteria reproduce by fission or by forming spores.

Note: Some bacteria are beneficial to humans (for example, those that live in the stomach and aid digestion), and some are harmful (for example, those that cause disease).
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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