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.
Nearby words
heliometer, heliopause, heliophyte, heliopolis, helios, helioscope, heliosphere, heliostat, heliotaxis, heliotherapy, heliotrope
Related formshe·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. 2019
Examples from the Web for helioscope
To 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) ClerkeA 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 Ashe