N- Explained
For other uses see N- (disambiguation).
Chemistry
- n-, a lowercase prefix in chemistry denoting the straight-chain form of an open-chain compound in contrast to its branched isomer
- N-, an uppercase prefix in chemistry denoting that the substituent is bonded to the nitrogen, as in amines
Mathematics, science and technology
The italicized letter n is used in mathematics to denote an arbitrary number (usually a non-negative integer).