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 Words From

• he·li·o·scop·ic [hee-lee-, uh, -, skop, -ik], adjective
• he·li·os·co·py [hee-lee-, os, -k, uh, -pee], 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.

From Forbes

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

From Forbes

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

From Forbes

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.

From Project Gutenberg

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.

From Project Gutenberg