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spectroheliograph
[ spek-troh-hee-lee-uh-graf, -grahf ]
/ ˌspɛk troʊˈhi li əˌgræf, -ˌgrɑf /
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noun
an apparatus for making photographs of the sun with a monochromatic light to show the details of the sun's surface and surroundings as they would appear if the sun emitted only that light.
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Origin of spectroheliograph
First recorded in 1890–95; spectro- + heliograph
OTHER WORDS FROM spectroheliograph
spec·tro·he·li·o·graph·ic [spek-troh-hee-lee-uh-graf-ik], /ˌspɛk troʊˌhi li əˈgræf ɪk/, adjectiveWords nearby spectroheliograph
spectrofluorimeter, spectrogram, spectrograph, spectrography, spectroheliogram, spectroheliograph, spectrohelioscope, spectrology, spectrometer, spectrometry, spectromicroscope
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use spectroheliograph in a sentence
He moved to the spectroheliograph, where the zed-ray connections were still humming.
In the subterranean chamber is the spectroheliograph of exceptional size and power.
Astronomy|David Todd
British Dictionary definitions for spectroheliograph
spectroheliograph
/ (ˌspɛktrəʊˈhiːlɪəˌɡrɑːf, -ˌɡræf) /
noun
an instrument used to obtain an image of the sun in light of a particular wavelength, such as calcium or hydrogen, to show the distribution of the element over the surface and in the solar atmosphere. The image obtained is a spectroheliogram
Derived forms of spectroheliograph
spectroheliographic, adjectiveWord Origin for spectroheliograph
C19: from spectro- + helio- + -graph
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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