Cassegrain Hear it!

Cassegrain definition

Cas·se·grain (kas′ə grān′)

adjective

of an arrangement of mirrors, lenses, etc. used in reflecting telescopes and microwave antennas, having its focus or transmission point near or behind the center of the main mirror

Related Forms:

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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