line of sight
The term "line of sight" is used across various fields to describe a clear, unobstructed visual path between an observer and an object.
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Definition
B2General
(common)A clear, unobstructed visual path between an observer and an object.
Example
- Make sure there are no obstacles blocking your line of sight to the stage.
C1Optics
(technical)An imaginary straight line from an observer's eye to a point of interest, without any obstructions.
Example
- In telescopic devices, the line of sight must be perfectly aligned for accurate observation.
C1Navigation
(technical)The direct path from one point to another without any intervening obstacles.
Example
- Pilots need a clear line of sight to the runway for a safe landing.
C1Military
(technical)The direct path between a weapon or observer and a target, used for accurate aiming or observation.
Example
- Snipers require an unobstructed line of sight to their target.
C1Surveying
(technical)A straight line between two points used as a reference for measurements or alignments.
Example
- Surveyors establish a line of sight to ensure accurate land measurements.
Similar
Terms that have similar or relatively close meanings to "line of sight":