bacterial : Idioms & Phrases
bacterial plaque
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noun a film of mucus and bacteria deposited on the teeth that encourages the development of dental caries
dental plaque.
WordNet
bacterial toxin
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noun any endotoxin or exotoxin formed in or elaborated by bacterial cells
WordNet
subacute bacterial endocarditis
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noun a chronic bacterial infection of the endocardium and heart valves; symptoms develop slowly