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Bacteria Meaning in English

word

/bækˈtɪɹiə/
bak-TEER-ee-uh
/bæktˈiəɹɪɐ/
bak-TEER-ee-uh

Definition

Tiny living organisms that can be found everywhere; some cause disease, while others are helpful or harmless.

Usage & Nuances

'Bacteria' is the plural form; the singular is 'bacterium', but 'bacteria' is often used in both cases in casual speech. Typically used in scientific, medical, and everyday health contexts. Not all bacteria are harmful—many are helpful (like in yogurt or the gut).

Example Sentences

Bacteria can cause infections in humans.

basic

Good bacteria help digest food.

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Doctors study bacteria to find cures for diseases.

basic

Some bacteria actually keep you healthy instead of making you sick.

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After washing your hands, most bacteria are removed.

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Yogurt is full of live bacteria that are good for your stomach.

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