˜yÐÄvlog

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View synonyms for

line of sight

[ lahyn uhv sahyt ]

noun

  1. Also called line of sighting. an imaginary straight line running through the aligned sights of a firearm, surveying equipment, etc.
  2. Astronomy. an imaginary line from an observer to a celestial body, coincident with the path traveled by light rays receivedfrom the body.
  3. Radio. a straight line connecting two points sufficiently high and near one another so that the line is entirely above the surface of the earth.
  4. Ophthalmology. line of vision.


line of sight

noun

  1. the straight line along which an observer looks or a beam of radiation travels
  2. ophthalmol another term for line of vision
“Collins English Dictionary — Complete & Unabridged†2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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˜yÐÄvlog History and Origins

Origin of line of sight1

First recorded in 1550–60
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Example Sentences

Examples have not been reviewed.

In a statement the CAA said it was working with companies to make drone operations beyond visual line of sight "a safe and every day reality".

From

He was relieved now that there were no longer flames in his line of sight, he said.

From

Authorities say that Zhou flew his drone outside of visual line of sight, which would require him to register the drone with the FAA.

From

Replays showed Silva ducking and not in Sa's line of sight when Stones headed the ball, so Kavanagh awarded the goal.

From

Replays showed Silva ducking and not in Sa's line of sight, so Kavanagh awarded the goal.

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