hydrognosy

noun

hy·​drog·​no·​sy

hīˈdrägnəsē

plural -es

: the history and description of the waters of the earth

Word History

Etymology

International Scientific Vocabulary hydr- + -gnosy

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