microorganism
Pronunciation
Noun
B1 Intermediate
Quick answer
A living thing so small it can only be seen with a microscope, such as bacteria.
Synonyms and antonyms
Synonyms
Test yourself
Which word fits the gap? "_____ in the soil help break down dead leaves."
Answer: microorganism
In your own words, what does "microorganism" mean?
A living thing so small it can only be seen with a microscope, such as bacteria.
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