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From The Collaborative International Dictionary of English v.0.44 [gcide]: Spectroheliograph \Spec'tro*he"li*o*graph\, noun (Astrophysics) An apparatus for making spectroheliograms, consisting of a spectroscopic camera used in combination with a telescope, and provided with clockwork for moving the sun's image across the slit. -- {Spec'tro*he'li*o*graph"ic}, adjective [Webster 1913 Suppl.] |
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