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5 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 he·lio·graph /-ˌgræf/
 照相製版,太陽攝影機,日光儀(vt.)(vi.)用太陽攝影機拍攝,用日光儀傳遞

From: Taiwan MOE computer dictionary

 heliograph
 日光反射信號器

From: Webster's Revised Unabridged Dictionary (1913)

 He·li·o·graph n.
 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.

From: Webster's Revised Unabridged Dictionary (1913)

 He·li·o·graph v. t.
 1. To telegraph, or signal, with a heliograph.
 2.  To photograph by sunlight.
 ◄ ►

From: WordNet (r) 2.0

 heliograph
      n : an apparatus for sending telegraphic messages by using a
          mirror to turn the sun's rays off and on
      v : signal by means of a mirror and the using the sun's rays