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English definition of “bacterial”

bacterial

adjective     /bækˈtɪə.ri.əl/ US  /-ˈtɪr.i-/
caused by, made from, or relating to bacteria: a bacterial infection bacterial contamination/growthBacteria, moulds, germs and viruses
(Definition of bacterial adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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