<astronomy> A telescope or instrument for viewing the sun without injury to the eyes, as through coloured glasses, or with mirrors which reflect but a small portion of light. Helioscopic.

Origin: Helio- + -scope: cf. F. Helioscope.

(01 Mar 1998)

heliometer, heliopathy, heliophobia, heliopora < Prev | Next > heliosis, heliotaxis, heliotherapy

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