helio
noun
a heliogram.
helio
1 American
[hee-lee-oh]
/ ˈhi liˌoʊ /
noun
Informal.
-
helios
plural
-
a heliogram.
-
a heliograph.
helio-
2
American
helio-
British
combining form
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-.
Other Word Forms
Noun Inflected Forms
Etymology
Origin of helio1
By shortening
Origin of helio-2
< Greek, combining form of hḗlios sun
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
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 Louis Eug?ne du Moulin
The helio was slanting downward, and was now less than five miles distant from the fast vanishing bus.
From The Women-Stealers of Thrayx by Fox B. Holden
A winking electric helio on one of them spits out a message to the leader of the destroyers, and she flashes answer and acknowledgment as readily as though the seaplane were a sister craft.
From Merchantmen-at-arms : the British merchants' service in the war by David W. (David William) Bone
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 Lewis E. Jahns
When you put Captain Robers and his men off this ship they smuggled out with them a hand-operated helio set.
From The Space Rover by Edwin K. Sloat
“Heliothraupis,” they wrote, combines the Greek helios, for “sun,” with thraupis, “meaning ‘finch’ or ‘small bird,’ but in current usage usually referring to tanagers.”
From Slate ● Nov. 20, 2021
The Navy had, apparently, their own sources of information, for signallers would often gather items of interest by watching the flashing of the helios by day or the blinking of the signal lamps by night.
From The 28th: A Record of War Service in the Australian Imperial Force, 1915-19, Vol. I Egypt, Gallipoli, Lemnos Island, Sinai Peninsula by Herbert Brayley Collett
The helios up there were humming and sputtering loudly.
From Tarrano the Conqueror by Ray Cummings
Soon we were beyond reach of all messages save helios, which were not in operation.
From Tarrano the Conqueror by Ray Cummings
He called his process "heliography," helios being the Greek word for sun.
From Great Inventions and Discoveries by Willis Duff Piercy
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
