spectroheliogram Hear it!

spectroheliogram definition

☆ spectro·he·lio·gram (spek′trə hē′lē ə gram′)

noun

a monochromatic image of the sun's chromosphere produced by a spectroheliograph

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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