helioscope

[hee-lee-uh-skohp]

noun

1. a telescope for viewing the sun, adapted to protect the eye of the viewer from the sun's glare.

Other Word Forms

• helioscopic adjective
• helioscopy noun

Word History and Origins

Origin of helioscope¹

First recorded in 1665–75; helio- + -scope

Example Sentences

HelioScope, a cloud-based platform from a new company called Folsom Labs, is part of an industry-wide effort to change that.

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HelioScope effectively lets engineers create accurate, granular models of solar power plants.

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A study by DNV GL found that HelioScope was within 1 percent of the performance of conventional tools.

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Helioscope, hē′li-o-skōp, n. a telescope for viewing the sun without injury to the eyes, by means of blackened glass or mirrors that reflect only a part of the light.—adj.

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He studied the sun carefully through colored glasses in a helioscope and then conceived the idea of projecting the sun's image on a screen in order to study its surface.

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