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axis definition - telecom
  1. In geometry and optics, a straight line, either real or imaginary, around which a body or figure, or parts thereof, are symmetrically or evenly arranged or composed. In an optical fiber, for example, the axis is the centerpoint of a cross-section.
  2. In optics, an imaginary line perpendicular to the center of a lens or mirror.

Webster's New World Telecom Dictionary Copyright © 2008 by Wiley Publishing, Inc., Indianapolis, Indiana.
Used by arrangement with John Wiley & Sons, Inc.

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