Some words with the root "helio" include heliocentric (having the sun at the center), heliograph (a device used to send messages using sunlight), and heliophobia (fear of sunlight or sunlight exposure).
Some words with the root "helio" include heliocentric (having the sun at the center), heliograph (a device used to send messages using sunlight), and heliophobia (fear of sunlight or sunlight exposure).