What does "multivalued" mean?

Of a function, associating one or more values of its range with each value of its domain.

Multivalued

Common synonyms include: ambiguous, many-valued, many-valued logic, multiple-valued, multiples oriented, nonunique.

adj

adj ·Rare ·Advanced level

Adjective

1
Of a function, associating one or more values of its range with each value of its domain. not-comparable
"The inverse sine function is multivalued unless it is restricted to a suitable range."

"The inverse sine function is multivalued unless it is restricted to a suitable range."

From multi- + valued.