(of a relation) holding between more than one ordered pair of elements with the same first member
one-many in American English
(ˈwʌnˈmeni, usually read as ˈwʌntəˈmeni)
adjective
Logic & Math(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
Word origin
[1905–10]This word is first recorded in the period 1905–10. Other words that entered Englishat around the same time include: Expressionism, persona, push-up, scrounge, thiamine