hyperbolic sine; a hyperbolic function, sinh z = (ez – e–z), related to sine by the expression sinh iz = i sin z, where i = √–1
WordReference Random House Unabridged Dictionary of American English © 2025
sinh
(sinch),USA pronunciation n. [Math.]
- Mathematicshyperbolic sine.
- sin(e) + h(yperbolic)
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