Talbot's law

noun

: a principle in optics: when two or more colors or degrees of brightness are alternately presented (as on a rotating sector disk) to the eye, there is a frequency of recurrence beyond which flicker ceases and the color or impression appears to be uniform

Word History

Etymology

probably after W. H. F. Talbot †1877

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