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spectroheliograph: Meaning and Definition of

spec•tro•he•li•o•graph

Pronunciation: (spek"trō-hē'lē-u-graf", -gräf"), [key]
— n.
  1. 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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
spectroheliogram spectrohelioscope
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