VISUAL RANGE Meaning and
Definition
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Visual range refers to the maximum distance at which objects or features can be seen or observed by the human eye without the aid of any optical devices or instruments. It is the range at which the eye is able to perceive details and shapes of objects clearly, with visual acuity maintained.
The concept of visual range is dependent on various factors such as environmental conditions, lighting, and the observer's visual acuity. In optimal conditions, typical estimates for visual range range from several hundred meters to several kilometers. However, this range can be greatly diminished in adverse conditions such as fog, rain, or smog, where visibility is significantly reduced and objects may only be discernible at much closer distances.
Visual range is an important consideration in various fields and activities, including aviation, maritime navigation, traffic safety, and outdoor recreational pursuits. In aviation, for instance, pilots must take into account the visual range to ensure safe takeoff, landing, and manoeuvring. Likewise, sailors need to gauge the visual range to avoid collisions and navigate effectively. Similarly, drivers on the road need to be aware of the visual range to adapt their speed and maintain safe distances.
In summary, visual range is the maximum distance at which the human eye can see objects clearly without any aids, subject to various environmental conditions and individual factors.
Common Misspellings for VISUAL RANGE
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Etymology of VISUAL RANGE
The term "visual range" is a combination of two words: "visual" and "range".
1. Visual: The word "visual" is derived from the Latin word "visus", meaning "sight" or "vision". It entered the English language in the late 16th century, referring to things related to sight or vision.
2. Range: The word "range" originated from the Old French word "ranger" in the 14th century, meaning "to place in order" or "to rank". It later evolved to include the sense of "distance covered" or "extent", often used in the context of navigation or artillery.
When combined, "visual range" refers to the maximum distance at which objects can be seen or objects within the field of vision. In various fields such as aviation and military, it is often used to describe the distance at which an object or target can be visually observed.
Similar spelling words for VISUAL RANGE
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