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spectroheliograph
[ spek-troh-hee-lee-uh-graf, -grahf ]
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.
spectroheliograph
/ -ˌɡræf; ˌspɛktrəʊˈhiːlɪəˌɡrɑːf /
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
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Derived Forms
- ˌspectroˌhelioˈgraphic, adjective
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Other Words From
- spec·tro·he·li·o·graph·ic [spek-troh-hee-lee-, uh, -, graf, -ik], adjective
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Word History and Origins
Origin of spectroheliograph1
First recorded in 1890–95; spectro- + heliograph
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Word History and Origins
Origin of spectroheliograph1
C19: from spectro- + helio- + -graph
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Example Sentences
He moved to the spectroheliograph, where the zed-ray connections were still humming.
From Project Gutenberg
In the subterranean chamber is the spectroheliograph of exceptional size and power.
From Project Gutenberg
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