helio

¹ American  

[hee-lee-oh] / ˈhi liˌoʊ /

noun

Informal.

plural

helios

1. a heliogram.

2. a heliograph.

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helio- ² American  

1. a combining form meaning “sun,” used in the formation of compound words.

   heliolatry.

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helio- British  

combining form

1. indicating the sun

   heliocentric

   heliolithic

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Usage

What does helio- mean? Helio- is a combining form used like a prefix meaning “sun.” It is frequently used in a variety of scientific and technical terms. Helio- comes from Greek hḗlios, meaning “sun.” The Latin cognate, sōl, is the source of several words related to the sun, such as solar and solstice. What are variants of helio-?When combined with words or word elements that begin with a vowel, helio- becomes heli-, as in heliencephalitis. Want to know more? Read our Words That Use article for heli-.

Etymology

Origin of helio¹

By shortening

Origin of helio-²

< Greek, combining form of hḗlios sun

Example Sentences

Venus, now at 8:44 was calling us by helio.

From Tarrano the Conqueror by Cummings, Ray

The helio mirrors were swaying again with another message from Grantline.

From Astounding Stories of Super-Science April 1930 by Bates, Harry

As he wondered, the enemy cruiser flashed like a red helio, and he gasped in admiration at the simultaneous firing of her battery.

From H.M.S. —— by Bower, John Graham

I wondered what the Martian helio might be saying.

From Tarrano the Conqueror by Cummings, Ray

Prob’ly his old lookin’-glass telegraft is busted,” he added, with slighting reference to the Jerusalem helio.

From King Spruce, A Novel by Day, Holman