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Definition of NI
1. Noun. A hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite.
Exact synonyms: Atomic Number 28, Nickel
Generic synonyms: Metal, Metallic Element
Substance meronyms: Garnierite, Millerite, Pentlandite, Smaltite
Derivative terms: Nickel
Generic synonyms: Metal, Metallic Element
Substance meronyms: Garnierite, Millerite, Pentlandite, Smaltite
Derivative terms: Nickel
Definition of NI
1. Initialism. Northern Ireland ¹
2. Abbreviation. Lower Saxony, a federal state of Germany. ¹
3. Noun. (linguistics) (initialism of noun inanimate) ¹
¹ Source: wiktionary.com
Medical Definition of NI
1. Symbol for nickel. (05 Mar 2000)