heliophile

noun

he·​lio·​phile

ˈhēlēəˌfīl

plural -s

: one attracted or adapted to sunlight

heliophiles flocking to the beach

specifically : an aquatic alga adapted to attain maximum exposure to sunlight

Word History

Etymology

heli- entry 1 + -phile

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