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Word of the Day Tuesday, June 9, 2026

injective

/ɪnˈdʌktɪv/ adjective · British & US
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What does injective mean?

adjective

Having a one-to-one correspondence between elements of two sets; a function that maps each element of the domain to exactly one element of the range. In other words, a function that does not map any two different elements of the domain to the same element of the range.

Example

"The function f(x) = x^2 is injective because each value of x maps to a unique value of f(x)."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for injective

Antonyms of injective

Rhymes with injective

Etymologically related