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Heliograph
//ˈhiː.li.əˌɡɹæf// noun, verb
Definitions
Noun
- 1 An apparatus for signalling by means of a moveable mirror which reflects flashes of sunlight.
"Now Jones had left his new-wed bride to keep his house in order, / And hied away to the Hurrum Hills above the Afghan border, / To sit on a rock with a heliograph; but ere he left he taught / His wife the working of the Code that sets the miles at naught. / And Love had made him very sage, as Nature made her fair; / So Cupid and Apollo linked, per heliograph, the pair."
- 2 an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on wordnet
- 3 A heliogram.
- 4 An instrument for measuring the intensity of sunlight.
- 5 A device for photographing the sun.
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- 6 A photograph. obsolete
Verb
- 1 To send a message by heliograph. transitive
"With damnatory dot and dash he heliographed his wife / Some interesting details of the General's private life."
- 2 signal by means of a mirror and the using the sun's rays wordnet
- 3 To send a heliograph. intransitive
- 4 To photograph by sunlight. dated, transitive
Etymology
Etymology 1
From helio- + -graph.
Etymology 2
From helio- + -graph.
See also for "heliograph"
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