altimeter
al ti muh ter
- n an instrument that measures the height above ground; used in navigation
- Privity seemed to bar the suit: the dead daughter had had no direct connection with either the altimeter maker or Lockheed, the airplane manufacturer.
- The altimeter will bounce laser beams off the lunar surface and, by measuring the speed at which they reflect back up, calculate the moon's topography to within inches.
- The tardy retrorocket firing that probably made the difference between success and failure, Barringer decided, could have been caused by an altimeter error of as little as 30 ft .