What does helioscope mean?
Definitions for helioscope
he·lio·scope
This dictionary definitions page includes all the possible meanings, example usage and translations of the word helioscope.
Wiktionary
helioscopenoun
An apparatus for viewing the sun without injuring the eye.
Samuel Johnson's Dictionary
Helioscopenoun
A sort of telescope fitted so as to look on the body of the sun, without offence to the eyes. John Harris
Etymology: helioscope, Fr. ἥλιος and σϰοπέω.
Webster Dictionary
Helioscopenoun
a telescope or instrument for viewing the sun without injury to the eyes, as through colored glasses, or with mirrors which reflect but a small portion of light
Etymology: [Helio- + -scope: cf. F. hlioscope.]
Wikidata
Helioscope
A helioscope is an instrument used in observing the sun and sun spots. The helioscope was first used by Benedetto Castelli and refined by Galileo. The method involves projecting an image of the sun onto a white sheet of paper suspended in a darkened room with the use of a telescope. The first machina helioscopica or helioscope was designed by Christoph Scheiner to assist his sunspot observations.
Chambers 20th Century Dictionary
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. Helioscop′ic. [Fr. hélioscope—Gr. hēlios, the sun, skopein, to look, to spy.]
Numerology
Chaldean Numerology
The numerical value of helioscope in Chaldean Numerology is: 2
Pythagorean Numerology
The numerical value of helioscope in Pythagorean Numerology is: 8
References
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