nitrogen

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“
Supposing that this nitrogen has been absorbed by the plants in the form of ammonia, the atmosphere contains 39.1 pounds weight of ammonia to every 3640 pounds weight of carbonic acid (= 984 carbon, or 27 per cent.), or in other words, to every 1,000 pounds weight of carbonic acid, 10.7 pounds of ammonia, that is to about

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Definitions (9)

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  1. noun A nonmetallic element that constitutes nearly four-fifths of the air by volume, occurring as a colorless, odorless, almost inert diatomic gas, N2, in various minerals and in all proteins and used in a wide variety of important manufactures, including ammonia, nitric acid, TNT, and fertilizers. Atomic number 7; atomic weight 14.0067; melting point -209.86°C; boiling point -195.8°C; valence 3, 5. See Table at element.

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Examples (50)

  • To get the full effectiveness the nitrogen should be applied ASAP. —  FWi - All News
  • The main fertilizer that recieves cutbacks when money is tight is nitrogen which is still high but decreased has from last year. —  Fool.com: The Motley Fool
  • OBIGGS systems use various technologies to draw in air and concentrate nitrogen, which is then released into the fuel tank, displacing the explosive air / fuel mixture inside. —  Defense Industry Daily
  • Direct materials such as nitrogen, active ingredients, soil and packaging currently represent about 63\% of cost of goods sold.
  • Then nitrogen, extracted from the ammonia snow that was so plentiful, filled the room, diluting the remaining inflammable gases to a harmless concentration Then that mixture was pumped out, to be replaced by a mixture of approximately 20 per cent oxygen and 80 per cent nitrogen--common, or garden-variety, air Mike the Angel cracked his helmet and sniffed. —  Unwise Child
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Etymologies (2)

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  1. French nitrogène : nitro-, nitric acid (from New Latin; see nitro-) + -gène, -gen.

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  1. = French nitrogène = Spanish nitrógeno = Portuguese nitrogeno, from New Latin nitrogenum, from nitrum, niter (with reference to nitric acid), + -gen, producing: see -gen.
 

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/ˈnaɪtrədʒɛn/
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