hyperbolic sine

noun

: the hyperbolic function that is analogous to the sine and defined by the equation sinh x = (e^x - e^-x)/2

—abbreviation sinh

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now