nitrogen definition

  • noun:
    • A nonmetallic factor that constitutes almost four-fifths associated with atmosphere by volume, happening as a colorless, odorless, practically inert diatomic gas, N2, in various nutrients and in all proteins and utilized in a wide variety of essential manufactures, including ammonia, nitric acid, TNT, and fertilizers. Atomic # 7; atomic body weight 14.0067; melting point -209.86°C; boiling point -195.8°C; valence 3, 5. See Table at element.
    • A chemical element (icon N) with an atomic number of 7 and atomic fat of 14.0067.
    • Molecular nitrogen (N2), a colorless, odorless gas at room temperature.
    • a certain nitrogen within a chemical formula, or a particular isotope of nitrogen
    • A colorless nonmetallic component of atomic # 7, tasteless and odorless, comprising four fifths of the environment by amount in the form of molecular nitrogen (N2). It really is chemically extremely inert when you look at the free condition, and as such is incapable of supporting life (thus title azote nonetheless utilized by French chemists); nonetheless it types many essential substances, like ammonia, nitric acid, the cyanides, etc, and it is a constituent of organized residing cells, pet or vegetable. Sign N. Atomic weight 14.007. It had been formerly regarded as a permanent noncondensible gasoline, but had been liquefied in 1877 by Cailletet of Paris, and Pictet of Geneva, and boils at -195.8 ° C at atmospheric stress. Fluid nitrogen is employed as a refrigerant to keep delicate products, like bacteria, cells, along with other biological materials.
    • Chemical sign, N; atomic fat, 14. An element existing in the wild as a colorless, odorless, tasteless gas, reducible to a liquid under extreme force and cold.
    • The boiling-point of liquid nitrogen under ordinary atmospheric pressure is -194.4° C. or -317.9° F. When it comes to fixation of atmospheric nitrogen by developing plants, see nitragin.
    • a common nonmetallic factor which are a colorless odorless tasteless inert diatomic fuel; constitutes 78 percent for the atmosphere by volume; a constituent of all of the living cells

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