nitrogen
Definition of abbreviation (noun) -
chemical element with the symbol N that is found in proteins and nucleic acidsPart of speech:
NounPlural: 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.
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