Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of heliograph is as below...

Heliograph :: Heliograph (n.) An apparatus for telegraphing by means of the sun's rays. See Heliotrope, 3..

Heliograph :: Heliograph (n.) An instrument for taking photographs of the sun.

Heliographic :: Heliographic (a.) Of or pertaining to heliography or a heliograph; made by heliography.

Heliograph :: Heliograph (n.) A picture taken by heliography; a photograph.

Heliography :: Heliography (n.) Photography.

Photoheliograph :: Photoheliograph (n.) A modified kind of telescope adapted to taking photographs of the sun.

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