Spectroheliograph
Pronunciation : Spec`tro*he"li*o*graph
Part of Speech : n.
Definition : 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.
(Astrophysics)
Source : Webster's Unabridged Dictionary, 1913