heliograph
noun
a device for signaling by means of a movable mirror that reflects beams of light, especially sunlight, to a distance.
heliography
-
a word derived from
heliograph.
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.
The photographs are made using heliography — “sun writing,” a term coined by 19th century French photography pioneer Nicéphore Niépce — a technique akin to etching with light-sensitive materials on reflective pewter plates.
From Los Angeles Times ● Oct. 20, 2023
But the memory is etched into daily life, as surely as it is in Charrière’s startling heliography.
From Los Angeles Times ● Oct. 20, 2023
A treatise on the sublime science of heliography, satisfactorily demonstrating our great orb of light, the sun, to be absolutely no other than a body of ice!
From A Budget of Paradoxes, Volume I by David Eugene Smith
Merritt was certain, as the light appeared and disappeared, that some message was being sent, and he regretted that he knew nothing of heliography.
From The Terror A Mystery by Arthur Machen
He called his process "heliography," helios being the Greek word for sun.
From Great Inventions and Discoveries by Willis Duff Piercy
