night vision

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night vision

A cat uses its night vision to hunt in the moonlight.

Definition

Noun: 1. The natural or enhanced ability to see in conditions of low light or near-total darkness. This refers to the capacity of the eyes, often aided by technology, to form images when light levels are very dim, such as at night, in deep shadow, or under weak moonlight.

Usage

"Night vision" is an uncountable noun. It describes a capability or a technological function. * It is commonly used to discuss the biological ability of certain animals (e.g., owls, cats). * It is also used to describe electronic optical devices that amplify available light or use infrared technology to allow humans to see in the dark. * It typically functions as a noun modifier in terms like "night vision goggles," "night vision device," or "night vision capability."

Examples
  • Noun:
    • Owls have exceptional natural night vision, which helps them hunt after dark.
    • The soldiers used night vision to navigate through the forest without flashlights.
    • This security camera features enhanced night vision for 24-hour surveillance.
Advanced Usage
  • "to have night vision": to possess the ability to see in low light.
    • Many nocturnal animals have night vision far superior to that of humans.
  • "with/without night vision": describing the presence or absence of this capability.
    • The new model is equipped with night vision, unlike the old one.
Variants and Related Words
  • Night-vision (adj): Used as a compound adjective before a noun.
    • He looked through the night-vision binoculars.
    • The vehicle has night-vision assist.
  • Scotopic vision: The technical, biological term for the function of the rod cells in the eye, which are responsible for vision in low light.
  • Dark adaptation: The process the eye undergoes to adjust and become more sensitive in low-light conditions.
Synonyms
  • Low-light vision
  • Scotopia (technical)
  • Dark vision
Related Phrases
  • Night vision goggles (NVGs): A specific type of head-worn device that provides night vision.
    • The pilot put on her night vision goggles for the evening mission.
  • Night vision device (NVD): A general term for any technological equipment that provides night vision capability.
night vision

A cat uses its night vision to hunt in the moonlight.

Noun
  1. the ability to see in reduced illumination (as in moonlight)

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