Dacque's principle

noun

Dac·​que's principle

daˈkāz-

: the theory that different biological groups tend to evolve in the same direction at the same time

Word History

Etymology

after Edgar Dacqué †1945 German paleontologist

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