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Ni

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Symbol, Chemistry.
  1. nickel.

N.I.

  1. Northern Ireland.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for ni

ni

the internet domain name for
  1. Nicaragua

Ni

the chemical symbol for
  1. nickel

NI

abbreviation for
  1. (in Britain) national insurance
  2. Northern Ireland
  3. NZ North Island
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ni in Medicine

Ni

  1. The symbol for the elementnickel

ni in Science

Ni

  1. The symbol for nickel.

nickel

[nĭkəl]
Ni
  1. A silvery, hard, ductile metallic element that occurs in ores along with iron or magnesium. It resists oxidation and corrosion and is used to make alloys such as stainless steel. It is also used as a coating for other metals. Atomic number 28; atomic weight 58.69; melting point 1,453°C; boiling point 2,732°C; specific gravity 8.902; valence 0, 1, 2, 3. See Periodic Table.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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