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

A signal station on the top maintained helio communication within a radius of 30 or 40 miles, and exchanged occasional messages at 70 miles or more.

From Two Years on Trek Being Some Account of the Royal Sussex Regiment in South Africa by Moulin, Louis Eug?ne du

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

From Tarrano the Conqueror by Cummings, Ray

January 22, Canadian artillery and platoon of infantry left of   Nikolofskia at 6:30 a.m., spent the day there establishing helio   communication between church towers, here and there.

From The History of the American Expedition Fighting the Bolsheviki Campaigning in North Russia 1918-1919 by Jahns, Lewis E.

He had scarcely uttered the last word when a helio began to twinkle from the hill above Foreland.

From The World Peril of 1910 by Griffith, George Chetwynd

Not a Martian set, but a fully powerful Botz ultra-violet helio sender with its attendant receiving mirrors.

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