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helioscope |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Helioscope \He"li*o*scope\, n. [Helio- + -scope: cf F. h['e]lioscope.] (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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