injective

/ɪnˈdʒɛktɪv/
adjective
  1. Relating to or involving injection.
    • The injective device must be kept sterile.
    • The injective method delivers the medicine directly into the bloodstream.
    • Doctors studied the injective properties of the new drug.
  2. In mathematics, describing a function where each input has a unique output (no two inputs give the same output).
    • The teacher explained that an injective function is also called one-to-one.
    • To prove the function is injective, we show that if f(a) equals f(b), then a must equal b.
    • A function that is injective never maps two different inputs to the same output.
Synonyms
What does "injective" mean? | whatsthatwordmean | whatsthatwordmean