helio-

a combining form meaning “sun,” used in the formation of compound words: heliolatry.
Also especially before a vowel, heli-.

Origin of helio-

< Greek, combining form of hḗlios sun

Words nearby helio-

heliculture, helideck, heliencephalitis, heligoland, helio, helio-, heliocentric, heliocentric parallax, heliochrome, heliodor, heliogabalus

British Dictionary definitions for helio-

helio-

before a vowel heli-

combining form

indicating the sun heliocentric; heliolithic

Word Origin for helio-

from Greek, from hēlios sun