helioscope

[ hee-lee-uh-skohp ]
/ ˈhi li əˌskoʊp /

noun

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

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Origin of helioscope

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

OTHER WORDS FROM helioscope

he·li·o·scop·ic [hee-lee-uh-skop-ik], /ˌhi li əˈskɒp ɪk/, adjectivehe·li·os·co·py [hee-lee-os-kuh-pee], /ˌhi liˈɒs kə pi/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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