helio-
1.
a combining form meaning “sun,” used in the formation of compound words:
heliolatry.
Also,
especially before a vowel,
heli-
.
Origin
<
Greek,
combining form of
hḗlios
sun
British Dictionary definitions for
helio-
helio-
combining form
1.
indicating the sun:
heliocentric,
heliolithic
Word Origin
from Greek, from
hēlios
sun
Word Origin and History for
helio-
word-forming element meaning "sun," from Greek
helio-
, comb. form of
helios
"sun" (see
sol
).