Dictionary.com
definitions
  • synonyms

Ni

Symbol, Chemistry.
  1. nickel.
Show More

N.I.

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

Examples from the Web for ni

Contemporary Examples

Historical Examples


British Dictionary definitions for ni

ni

the internet domain name for
  1. Nicaragua
Show More

Ni

the chemical symbol for
  1. nickel
Show More

NI

abbreviation for
  1. (in Britain) national insurance
  2. Northern Ireland
  3. NZ North Island
Show More
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
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

ni in Science

Ni

  1. The symbol for nickel.
Show More

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.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.