noun, plural he·li·os. Informal.
- heliocentric parallax,
Origin of helio
Origin of helio-
Examples from the Web for helio
BREAKOUT MOMENT: Shaking her hips—Elvis be damned—during a too-hot-for-prime time samba with partner Helio Castroneves in 2007.
While coming along this afternoon we saw something like helio signals flashing in the air.Uncle Sam's Boys as Sergeants|H. Irving Hancock
Thought images as well as words, Kriijorl had explained during their flight so long ago in the helio.The Women-Stealers of Thrayx|Fox B. Holden
Waters and I have been in the helio room for the past hour, searching with the 'scope there.
before a vowel heli-
Word Origin for helio-
word-forming element meaning "sun," from Greek helio-, comb. form of helios "sun" (see sol).