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 few minutes under the helio emanations and he would be fit for light duty.

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

They were nearing Denver, and air traffic at their level had picked up, and the helio was proceeding more slowly so that Kriijorl's demonstration caused him to miss little of the tour.

From The Women-Stealers of Thrayx by Holden, Fox B.

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.

At 6.30 a.m. a helio message was received calling the column at once back to Krugersdorp, and a start was made for the return journey at 8 a.m.

From The Second Battalion Royal Dublin Fusiliers in the South African War With a Description of the Operations in the Aden Hinterland by Romer, Cecil Francis