Looking for the meaning of the word HELIOGRAPHS in English for both noun and verb forms from the Oxford Dictionary? Below, you can explore all possible meanings and definitions of HELIOGRAPHS with sentence examples. You can also use the “AUDIO PRONUNCIATION” track to check the correct pronunciation in British English.
Word: Heliograph
Speech Type: Noun
ˈhiːlɪə(ʊ)ɡrɑːf
a signalling device by which sunlight is reflected in flashes from a movable mirror.
Short Definition:signalling device using reflected sunlight
a telescopic apparatus for photographing the sun.
Short Definition:apparatus for photographing sun
a type of early photographic engraving made using a sensitized silver plate and an asphalt or bitumen varnish.
Short Definition:type of early photographic engraving
Word: Heliograph
Speech Type: Verb
ˈhiːlɪə(ʊ)ɡrɑːf
send (a message) by heliograph
Short Definition:send message by heliograph
Examples:- the glasses seemed to be heliographing a warning
take a heliographic photograph of
Short Definition:take heliographic photograph of
Examples:- he could only heliograph static subjects in very intense light
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