bacteria

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UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/bækˈtɪəriə/US:USA pronunciation: IPA and respellingUSA pronuncation: IPA/bækˈtɪriə/ ,USA pronunciation: respelling(bak tērē ə)


Inflections of 'bacteria' (nplplural noun: Noun always used in plural form--for example, "jeans," "scissors."): nnoun: Refers to person, place, thing, quality, etc.: bacterium

WordReference Random House Learner's Dictionary of American English © 2020
bac•te•ri•a /bækˈtɪriə/USA pronunciation   n. [plural], sing.  bac•te•ri•um 
    /bækˈtɪriəm/ .USA pronunciation  
  1. Microbiologya group of microscopic, one-celled organisms, some of which are involved in infectious diseases, fermentation, and decay.
bac•te•ri•al, adj. 

WordReference Random House Unabridged Dictionary of American English © 2020
bac•te•ri•a  (bak tērē ə),USA pronunciation n.pl., sing.  -te•ri•um 
    (bak tērē ə),USA pronunciation 
  1. Microbiologyubiquitous 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.
bac•teri•al, adj. 
bac•teri•al•ly, adv. 
  • Greek bakté̄ria, plural of bakté̄rion; see bacterium
  • Neo-Latin
  • 1905–10

Collins Concise English Dictionary © HarperCollins Publishers::
bacteria /bækˈtɪərɪə/ pl n ( sing -rium / -rɪəm/)
  1. 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
Etymology: 19th Century: plural of New Latin bacterium, from Greek baktērion, literally: a little stick, from baktron rod, staff

bacˈterial adj bacˈterially adv
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