one-to-one

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[edit] English

[edit] Noun

one-to-one (plural one-to-ones)

  1. A personal relationship, especially a sexual one, between two people. Colloquial abbreviation: 121 or 1-2-1
  2. (mathematics) injection; a mapping which takes no two points in the preimage to the same point in the image

[edit] Translations

injection

[edit] Adjective

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

[edit] Synonyms

In other languages