DICT.TW Dictionary Taiwan
3.144.42.205

Search for:
[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

1 definition found

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.