$n$ -ary

$n$ -ary may refer to:

The arity of a function, operation, or relation
- $n$ -ary associativity, a specific rule attached to n-ary functions
  - $n$ -ary group, a generalization of group
The radix of a numerical representation system
The number of letters in an alphabet (formal languages)
- An $n$ -ary code
  - An $n$ -ary Gray code
  - An $n$ -ary Huffman code
An $n$ -ary tree

n-ary