one-to-one

/W AH0 N T UW0 OW0 N/
noun
  1. 1

    A personal relationship between two people.

Synonyms

adjective
  1. 1

    Matching each member of one set with exactly one member of another set.

    โ€œThere is a one-to-one relationship between days with large cash shortages and his workdays.โ€

  2. 2

    Involving direct communication between two people. Used especially to refer to situations in which one person is teaching one other person.

  3. 3

    (of a function) Injective, being an injection: having the property that no two elements of the domain are mapped to the same image.

Synonyms

Source: https://en.wiktionary.org/wiki/one-to-one