Meaning of “oxygen” in the English Dictionary

british dictionary

"oxygen" in British English

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oxygennoun [ U ]

uk /ˈɒk.sɪ.dʒən/ us /ˈɑːk.sɪ.dʒən/ symbol O

(Definition of “oxygen” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"oxygen" in American English

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oxygennoun [ U ]

us /ˈɑk·sɪ·dʒən/

biology, chemistry a colorless gas, one of the chemical elements, that forms a large part of the air on earth and is needed to keep most living things alive and to create fire

(Definition of “oxygen” from the Cambridge Academic Content Dictionary © Cambridge University Press)