background radiation
Pronunciation
Noun
B1 Intermediate
Quick answer
Low-level radiation that is always present in the environment, from natural and sometimes artificial sources.
Test yourself
Which word fits the gap? "Scientists had to account for _____ before measuring the sample accurately."
Answer: background radiation
In your own words, what does "background radiation" mean?
Low-level radiation that is always present in the environment, from natural and sometimes artificial sources.
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