spectroheliograph
n. கதிரவன் ஔதவண்ணப்பட்டையின் ஓரலைப்பதிவு நிழற்படக்கருவி.
Spec`tro*he"li*o*graph, n. (Astrophysics) Defn: 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 (#), a.