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Nitrogen   /nˈaɪtrədʒən/   Listen
noun
Nitrogen  n.  (Chem.) A colorless nonmetallic element of atomic number 7, tasteless and odorless, comprising four fifths of the atmosphere by volume in the form of molecular nitrogen (N2). It is chemically very inert in the free state, and as such is incapable of supporting life (hence the name azote still used by French chemists); but it forms many important compounds, such as ammonia, nitric acid, the cyanides, etc, and is a constituent of all organized living tissues, animal or vegetable. Symbol N. Atomic weight 14.007. It was formerly regarded as a permanent noncondensible gas, but was liquefied in 1877 by Cailletet of Paris, and Pictet of Geneva, and boils at -195.8 ° C at atmospheric pressure. Liquid nitrogen is used as a refrigerant to store delicate materials, such as bacteria, cells, and other biological materials.






Collaborative International Dictionary of English 0.48








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"Nitrogen" Quotes from Famous Books



... went to the window, flung it wide, and looked out into the court. Like a tide from the plains of innocent heaven through the sultry passionate air of the world, came the coolness to his brow and heart. Oxygen, ozone, nitrogen, water, carbonic acid, is it? Doubtless—and other things, perhaps, which chemistry cannot detect. Nevertheless, give its parts what names you will, its whole is yet the wind of the living God to the ...
— St. George and St. Michael • George MacDonald

... snivelization itself, he is at liberty to disport himself pleasantly with his nouns, verbs, adjectives, adverbs, conjunctions, prepositions and pronouns, arranging them with the same free hand, the same innocent joy, the same superb skill and discretion with which the late Jahveh arranged carbon, nitrogen, sulphur, hydrogen, oxygen and phosphorus in the sublime form of the human carcass. He, too, has his jokes. He knows the arch effect of a strange touch; his elaborate pedantries correspond almost exactly to the ...
— The Line of Love - Dizain des Mariages • James Branch Cabell

... to yield a crop of twenty-five bushels per acre the soil must supply 110 lbs. of nitrogen, 45 lbs. of phosphoric acid, 30.5 lbs. of lime, 14.5 lbs. of magnesia, and 142 lbs. of potash; these are approximately the mineral elements taken out of the soil with each crop, and it is needless to say that they must ...
— Commercial Geography - A Book for High Schools, Commercial Courses, and Business Colleges • Jacques W. Redway

... the solar-system, and that for any high form of organic life certain conditions which are absolutely essential on our earth must also exist in Mars. He admits, for example, that water is essential, that an atmosphere containing oxygen, nitrogen, aqueous vapour, and carbonic acid gas is essential, and that an abundant vegetation is essential; and these of course involve a surface-temperature through a considerable portion of the year that renders the existence of these—especially of water—possible and available for the ...
— Is Mars Habitable? • Alfred Russel Wallace

... his higher nature would seem better assimilated when incorporated in forms of belief and worship, public or private, even though these beliefs and forms have imperfections or inadequacies. We do not support material life by consuming pure carbon, or nitrogen, or hydrogen: we take these in such admixtures as our experience shows to be best for us. We do not live by breathing pure oxygen: we take it diluted with other gases, and mainly with one which, if taken ...
— Autobiography of Andrew Dickson White Volume II • Andrew Dickson White


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