Usually means: Sunlight-based message using Morse code.
Definitions Related words Mentions History
We found 14 dictionaries that define the word heliogram:

General (13 matching dictionaries)
  1. heliogram: Merriam-Webster
  2. heliogram: Oxford Learner's Dictionaries
  3. heliogram: Collins English Dictionary
  4. heliogram: Vocabulary.com
  5. heliogram: Wordnik
  6. heliogram: Wiktionary
  7. heliogram: Webster's New World College Dictionary, 4th Ed.
  8. heliogram: Infoplease Dictionary
  9. Heliogram, heliogram: Dictionary.com
  10. heliogram: Rhymezone
  11. heliogram: FreeDictionary.org
  12. heliogram: Mnemonic Dictionary
  13. Heliogram: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. heliogram: Encyclopedia

(Note: See heliograms as well.)

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Definitions from Wiktionary (heliogram)

▸ noun:  A message transmitted by a heliograph.

Similar:
heliograph, heliography, heliographer, radioheliograph, photoheliography, photoheliograph, heliotype, heliologist, holograph, helio, more...

Opposite:
umbragram, skotogram, nyctogram

▸ Words similar to heliogram

▸ Usage examples for heliogram

▸ Idioms related to heliogram

▸ Wikipedia articles (New!)

▸ Popular adjectives describing heliogram

▸ Words that often appear near heliogram

▸ Rhymes of heliogram

▸ Invented words related to heliogram

Similar:
heliograph, heliography, heliographer, radioheliograph, photoheliography, photoheliograph, heliotype, heliologist, holograph, helio, more...

Opposite:
umbragram, skotogram, nyctogram



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