Definition of heliogram Heliogram
he•li•o•gram
We found 3 definitions of heliogram from 3 different sources.
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What does heliogram mean?
WordNet
NounPlural: heliograms |
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| heliogram - a message transmitted by means of the sun's rays |
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Wiktionary 
- heliogram (Noun)
A message transmitted by a heliograph.
Part of speech
🔤- heliogram, noun, singular of heliograms.
