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nitrogen

Definition of abbreviation (noun) -

chemical element with the symbol N that is found in proteins and nucleic acids

Part of speech:

Noun
Plural: no plural
Example sentences with this word:

Nitrogen is a gas at room temperature.

Air pollution in Britain's major cities reached the highest levels since records began in 1976 during a spell of cold and still weather in mid-December which prevented the usual dispersal of pollutants such as nitrogen dioxide from traffic fumes and sulphur dioxide from power stations.

Appears in following categories:
PCAT,
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