ology

noun

ol·​o·​gy

ˈäləjē

plural -es

: a branch of knowledge : science

at least a dozen ologies will be represented on any one expedition nowadays

—S. A. Korff

Word History

Etymology

from -ology (as in geology, psychology)

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