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helioscope
[ hee-lee-uh-skohp ]
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
- he·li·o·scop·ic [hee-lee-, uh, -, skop, -ik], adjective
- he·li·os·co·py [hee-lee-, os, -k, uh, -pee], noun
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Word History and Origins
Origin of helioscope1
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Example Sentences
A few words must here be said concerning the helioscope, which on more than one occasion played a prominent part in this war.
From Project Gutenberg
To the "helioscope" employed by Father Scheiner two centuries and a quarter earlier, a species of micrometer was added.
From Project Gutenberg
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