noun which may take the genitive case particle 'no', noun
one-to-many
Mathematical term describing a relationship where one element corresponds to multiple elements, e.g., one-to-many mapping or function.
この関数は一対多の対応を表している。
This function represents a one-to-many correspondence.
データベースで一対多のリレーションを定義する。
Define a one-to-many relation in the database.
Compound of 一 (one), 対 (versus, pair), and 多 (many). The term is a straightforward technical coinage for the mathematical concept of one-to-many relationships.