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2 definitions found

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

 helioscope
 太陽觀測望遠鏡

From: Webster's Revised Unabridged Dictionary (1913)

 He·li·o·scope n.  Astron. A telescope or instrument for viewing the sun without injury to the eyes, as through colored glasses, or with mirrors which reflect but a small portion of light. -- He*li*o*scop*ic a.
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