coronagraph Hear it!

coronagraph definition

co·rona·graph (kə rō′nə graf′)

noun

a telescope designed for observing the corona of the sun by means of devices that obstruct the light of the sun's disk

Etymology: earlier coronograph < coron(a) + -o- + -graph

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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