angle of fall

: the vertical angle between the horizontal and the tangent to the trajectory of a projectile at the point of fall

called also striking angle

Word History

First Known Use

1812, in the meaning defined above

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