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2 definitions found

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

 photoheliograph
 太陽全色照相儀; 太陽照相儀

From: Webster's Revised Unabridged Dictionary (1913)

 Pho·to·he·li·o·graph n.  Physics A modified kind of telescope adapted to taking photographs of the sun.
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