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View synonyms for line of sight
line of sight
[ lahyn uhv sahyt ]
noun
- Also called line of sighting. an imaginary straight line running through the aligned sights of a firearm, surveying equipment, etc.
- Astronomy. an imaginary line from an observer to a celestial body, coincident with the path traveled by light rays receivedfrom the body.
- 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.
- Ophthalmology. line of vision.
line of sight
noun
- the straight line along which an observer looks or a beam of radiation travels
- ophthalmol another term for line of vision
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Word History and Origins
Origin of line of sight1
First recorded in 1550–60
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Example Sentences
I'm inclined like everybody else to consider perception on a line-of-sight basis instead of on a sort of all-around grasp.
From Project Gutenberg
As needed, line and non-line-of-sight weapons of near pin-point accuracy would be delivered across the entire area of operation.
From Project Gutenberg
Radio contact is strictly line-of-sight inside a hunk of metal.
From Project Gutenberg
There were other instruments in other line-of-sight positions, very far away.
From Project Gutenberg
He started the fuel pumps winding up, and swung the ship to point normal to the line-of-sight to the jammer.
From Project Gutenberg
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