Sunlight vs Heliograph - What's the difference?

sunlight | heliograph |


As nouns the difference between sunlight and heliograph

is that sunlight is all the electromagnetic radiation given off by the sun, especially that in the visible spectrum that bathes the earth while heliograph is an apparatus for signalling by means of a moveable mirror which reflects flashes of sunlight.

As a verb heliograph is

to send a message by heliograph.

sunlight

Noun

(-)
  • All the electromagnetic radiation given off by the Sun, especially that in the visible spectrum that bathes the Earth.
  • * {{quote-magazine, date=2013-06-08, volume=407, issue=8839, page=55, magazine=(The Economist)
  • , title= Obama goes troll-hunting , passage=The solitary, lumbering trolls of Scandinavian mythology would sometimes be turned to stone by exposure to sunlight . Barack Obama is hoping that several measures announced on June 4th will have a similarly paralysing effect on their modern incarnation, the patent troll.}}
  • (figuratively, figuratively) Brightness, hope; a positive outlook.
  • Synonyms

    * (light from the sun) sunshine

    References

    Anagrams

    *

    heliograph

    Noun

    (en noun)
  • An apparatus for signalling by means of a moveable mirror which reflects flashes of sunlight.
  • *1979 , (Alasdair Gray), ‘Five Letters From an Eastern Empire’, Canongate 2012 (Every Short Story 1951-2012 ), p. 93:
  • *:when we stood up at nightfall we saw, in the sunset, the sparkle of the heliograph above cities, on the far side of the horizon.
  • A heliogram.
  • An instrument for measuring the intensity of sunlight.
  • A device for photographing the sun.
  • (obsolete) A photograph.
  • Verb

    (en verb)
  • To send a message by heliograph.
  • To send a heliograph.
  • Derived terms

    *heliographer *heliographic *heliography