N

N¹

(also n)

noun (plural Ns or N's)

1》 the fourteenth letter of the alphabet.

2》 denoting the next after M in a set of items, categories, etc.

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N²

abbreviation

1》 (used in recording moves in chess) knight. [representing the pronunciation of kn-, since the initial letter k- represents 'king'.]

2》 (chiefly in place names) New.

3》 Physics newton(s).

4》 Chemistry (with reference to solutions) normal.

5》 North or Northern.

6》 Norway (international vehicle registration).

7》 nuclear.

symbol the chemical element nitrogen.