unary operation
noun
an operation in a mathematical system by which one element is used to yield a single result, as squaring or taking the square root.
Compare
binary operation,
ternary operation.
Origin of unary operation
First recorded in 1930–35
Words nearby unary operation
unargued,
unarm,
unarmed,
unartistic,
unary,
unary operation,
unashamed,
unasked,
unassailable,
unassisted,
unassuming