unary

1. (mathematics, programming, computer engineering) Of an operation, function, procedure, or logic gate, taking exactly one operand, argument, parameter, or input; having domain of dimension 1.Examples: "Negation is a unary operation."; "Zadeh’s claim is that if the meaning of an expression (X) can be modeling by a fuzzy membership function variable, then the meaning of an expression such as “very X” is simply a membership function over the same variable determined by applying a unary operator to the membership function for X."; "On the other hand, blank spaces should not be used for unary operators such as unary minus (−), address of (&), indirection (*), member access (.), increment (++), and decrement (−−)."not-comparable