bacteria
Pronunciation
Noun
A2 Elementary
Quick answer
Very small living organisms, some of which can cause disease.
Synonyms and antonyms
Synonyms
germs
microbes
Usage notes
Technically the plural of "bacterium", though it's often treated as either singular or plural in everyday speech.
Test yourself
Which word fits the gap? "Washing your hands helps remove harmful _____."
Answer: bacteria
In your own words, what does "bacteria" mean?
Very small living organisms, some of which can cause disease.
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