Looking for the meaning or definition of the word one-to-one? Here's what it means.
Adjective
Matching each member of one set with exactly one member of another set.
(chiefly Britain) Involving directcommunication between two people. Used especially to refer to situations in which one person is teaching one other person.
(mathematics)Injective, being an injection: having the property that no two elements of the domain are mapped to the same image.