Meaning of N in English

N

I. N 1 BrE AmE , n /en/ ( plural N’s , n’s ) noun [uncountable and countable]

1 . the 14th letter of the English alphabet

2 . used in mathematics to represent a number whose value is not known:

The value of n is less than 10.

II. N 2 BrE AmE

the written abbreviation of north or northern

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.