'Helioscopic' definitions:
Definition of 'Helioscopic'
From: GCIDE
- 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. [1913 Webster]