WordReference Random House Unabridged Dictionary of American English © 2025
in′verse func′tion, [Math.]
- Mathematicsthe function that replaces another function when the dependent and independent variables of the first function are interchanged for an appropriate set of values of the dependent variable. In y = sin x and x = arc sin y, the inverse function of sin is arc sine.
- 1810–20
'inverse function' also found in these entries (note: many are not synonyms or translations):