Meaning of HELIOGRAPH
| Pronunciation: | | 'heeleeu`graf
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 WordNet Dictionary |
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- [n] an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on
- [v] signal with a heliograph
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| | See Also: | | apparatus, setup, sign, signal, signalise, signalize | |
| Webster's 1913 Dictionary |
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\He"li*o*graph\, n. [Helio- + -graph.]ets>
1. A picture taken by heliography; a photograph.
2. An instrument for taking photographs of the sun.
3. An apparatus for telegraphing by means of the sun's rays.
See {Heliotrope}, 3.
\He"li*o*graph\, v. t.
1. To telegraph, or signal, with a heliograph.
2. To photograph by sunlight.
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