one-many

[ wuhn-men-ee; usually read as wuhn-tuh-men-ee ]
/ ˈwʌnˈmɛn i; usually read as ˈwʌn təˈmɛn i /

adjective Logic, Mathematics.

(of a relation) having the property that an element may be assigned to several elements but that given an element, only one may be assigned to it.

Origin of one-many

First recorded in 1905–10

British Dictionary definitions for one-many

one-many

adjective

maths logic (of a relation) holding between more than one ordered pair of elements with the same first member