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Nival

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• Nivation

  [nahy-vey-shuh n] /naɪˈveɪ ʃən/ noun, Geology. 1. erosion resulting from the action of frost beneath a snowbank. /naɪˈveɪʃən/ noun 1. the weathering of rock around a patch of snow by alternate freezing and thawing

• Niven

  /ˈnɪvən/ noun 1. David. 1909–83, British film actor and author. His films include The Prisoner of Zenda (1937), Around the World in 80 Days (1956), Casino Royale (1967), and Paper Tiger (1975). He wrote the autobiographical The Moon’s a Balloon (1972) and Bring on the Empty Horses (1975)

• Niveous

  [niv-ee-uh s] /ˈnɪv i əs/ adjective 1. resembling snow, especially in whiteness; snowy. /ˈnɪvɪəs/ adjective 1. resembling snow, esp in colour

• Nitric bacteria

  plural noun 1. bacteria that convert nitrites to nitrates in the soil See also nitrobacteria

• Nitric-acid

  noun, Chemistry. 1. a colorless or yellowish, fuming, suffocating, caustic, corrosive, water-soluble liquid, HNO 3 , having powerful oxidizing properties, usually obtained from ammonia or from Chile saltpeter: used chiefly in the manufacture of explosives and fertilizers and in organic synthesis. noun 1. a colourless or yellowish fuming corrosive liquid usually used in aqueous solution. […]

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