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helioscope
[ hee-lee-uh-skohp ]
/ ˈhi li əˌskoʊp /
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noun
a telescope for viewing the sun, adapted to protect the eye of the viewer from the sun's glare.
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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/, nounWords nearby helioscope
heliometer, heliopause, heliophyte, Heliopolis, Helios, helioscope, heliosphere, heliostat, heliotaxis, heliotherapy, heliotrope
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use helioscope in a sentence
A few words must here be said concerning the helioscope, which on more than one occasion played a prominent part in this war.
The Story of the Zulu Campaign|Waller AsheTo the "helioscope" employed by Father Scheiner two centuries and a quarter earlier, a species of micrometer was added.
A Popular History of Astronomy During the Nineteenth Century|Agnes M. (Agnes Mary) Clerke