n

/ɛn/
1.
nounmasculineSing

the letter N

Le mot 'donner' contient deux n.

The word 'donner' contains two n's.

2.
nounmasculineSing

an unspecified or variable number (mathematical placeholder, e.g. n personnes)

Si n = 5, alors 2n = 10.

If n = 5, then 2n = 10.