line of sight Hear it!

line of sight definition

line of sight

  1. an imaginary straight line joining the center of the eye of the observer with the object viewed
  2. Radio, TV the straight path from a transmitting antenna to the horizon, representing the normal range of high-frequency wave propagation
Also line of vision

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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