line of sight

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line of sight

n. pl. lines of sight

1. An imaginary line from the eye to a perceived object.

2. An unobstructed path between sending and receiving antennas.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

line of sight

1. the straight line along which an observer looks or a beam of radiation travels

2. (Medicine) ophthalmol another term for line of vision

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

line′ of sight′

1. an imaginary straight line running through aligned sights, as of a firearm.

2. an imaginary straight line that connects the center of the eye with the point focused on.

3. sightline.

ThesaurusAntonymsRelated WordsSynonymsLegend:

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Noun

line of sight - an imaginary straight line along which an observer looks

line of vision

line - a spatial location defined by a real or imaginary unidimensional extent

Translations

ligne de mire

visuale

line of sight

line of vision n → visuale f

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

References in classic literature ?

Silent, and out of his line of sight in the kitchen, she frightened him.

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Game developer DICE has announced a new game mode for "Battlefield 1," called Line of Sight. The new mode is available starting this week and puts focus on Medic and Scout classes.

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When you release the string, the arrow arcs upward, crosses your line of sight and then drops back down to the target.

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Incorporating the most advanced technologies such as a Beam-forming antenna and an innovative Air Interface, Radwin's solutions deliver optimal performance in the toughest conditions including high interference and obstructed line of sight.