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Bacterium Meaning in English

word

bækˈtɪɹiəm
bak-TEER-ee-um
bæktˈiəɹɪəm
bak-TEE-uh-ree-um

Definition

A bacterium is a single, very small living thing (microorganism) that can be found everywhere, some cause disease while others are helpful.

Usage & Nuances

'Bacterium' is singular; 'bacteria' is plural. In science, 'bacterium' is used for one organism, but in daily speech, people often use 'bacteria' for both. Often found in medical or academic contexts.

Example Sentences

A bacterium can only be seen with a microscope.

basic

One harmful bacterium can cause illness.

basic

This medicine kills the bacterium in your body.

basic

Scientists discovered a new bacterium in the soil.

natural

That bacterium is resistant to antibiotics, which makes treatment harder.

natural

It only takes one bacterium to start an infection if you're not careful.

natural