Heliograph

//ˈhiː.li.əˌɡɹæf// noun, verb

Definitions

Noun
  1. 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. 2
    an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on wordnet
  3. 3
    A heliogram.
  4. 4
    An instrument for measuring the intensity of sunlight.
  5. 5
    A device for photographing the sun.
Show 1 more definition
  1. 6
    A photograph. obsolete
Verb
  1. 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. 2
    signal by means of a mirror and the using the sun's rays wordnet
  3. 3
    To send a heliograph. intransitive
  4. 4
    To photograph by sunlight. dated, transitive

Etymology

Etymology 1

From helio- + -graph.

Etymology 2

From helio- + -graph.

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