carbon monoxide · noun U /ˌkɑː.bən.məˈnɒk.sɑɪd/Full view
carbon monoxide
B2 a poisonous gas that is produced by burning some types of fuel, especially petrol
Dictionary example:

The cause of death was given as carbon monoxide poisoning.

Learner example:

Cars also emit carbon monoxide and make the air unfit to breath. (First Certificate in English; B2; Amharic)

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