definitions
  • synonyms

Ni

|

Symbol, Chemistry.

nickel.

RELATED CONTENT

Have You Ever Mixed Up These Misunderstood Emoji?Sometimes it's worth it to know that the squirrel emoji, , you love so much isn't technically a squirrel ...
READ MORE

Definition for ni (2 of 2)

N.I.


Northern Ireland.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ni

British Dictionary definitions for ni (1 of 3)

ni


the internet domain name for

Nicaragua

British Dictionary definitions for ni (2 of 3)

Ni


the chemical symbol for

nickel

British Dictionary definitions for ni (3 of 3)

NI


abbreviation for

(in Britain) national insurance
Northern Ireland
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

Medicine definitions for ni

Ni


The symbol for the elementnickel
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for ni (1 of 2)

Ni


The symbol for nickel.

Science definitions for ni (2 of 2)

nickel

[ nĭkəl ]

Ni

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.