Hydrophilidae

plural noun

Hy·​dro·​phil·​i·​dae

ˌhīdrəˈfiləˌdē

: a large family of diving beetles that are mostly of scavenging or predaceous habits and of elliptical form and black color and that live chiefly in quiet pools and carry with them a film of air for respiration

Word History

Etymology

New Latin, from Hydrophilus, type genus (from hydr- + -philus) + -idae

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