bacteria
B2UK /bækˈtɪəriə/US /bækˈtɪriə/
Meaning
noun
the simplest and smallest forms of life. Bacteria exist in large numbers in air, water and soil, and also in living and dead creatures and plants, and are often a cause of disease.
“Neither chilling nor freezing kills all bacteria.”
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“bacteria in a Petri dish you know it”
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