Examples from the Web for nitrogen
Grosvenor Place, which runs alongside the palace, has almost four times the maximum permissible amount of nitrogen dioxide.
In any case some allowance should be made for the amount of nitrogen collected by the legumes.The Pecan and its Culture|H. Harold Hume
If oxygen is combined with nitrogen, it produces five deadly poisons, viz.A Guide to the Scientific Knowledge of Things Familiar|Ebenezer Cobham Brewer
Carbon, hydrogen, oxygen and nitrogen are all lifeless bodies.Lay Sermons, Addresses and Reviews|Thomas Henry Huxley
He had to return to the conception of the individual particles of oxygen, nitrogen, and water, each a center of repulsion.An Introduction to the History of Science|Walter Libby
We have already referred to the nitrogen question in the historical introduction.Manures and the principles of manuring|Charles Morton Aikman
British Dictionary definitions for nitrogen
- a colourless odourless relatively unreactive gaseous element that forms 78 per cent (by volume) of the air, occurs in many compounds, and is an essential constituent of proteins and nucleic acids: used in the manufacture of ammonia and other chemicals and as a refrigerant. Symbol: N; atomic no: 7; atomic wt: 14.00674; valency: 3 or 5; density: 1/2506 kg/m³; melting pt: –210.00°C; boiling pt: –195.8°C
- (as modifier)nitrogen cycle
Word Origin and History for nitrogen
1794, from French nitrogène, coined 1790 by French chemist Jean Antoine Chaptal (1756-1832), from comb. form of Greek nitron "sodium carbonate" (see nitro-) + French gène "producing," from Greek -gen "giving birth to" (see -gen). The gas was identified in part by analysis of nitre. Earlier name (1772) was mephitic air, and Lavoisier called it azote (see azo-).