Definition of night vision in English:

night vision

Line breaks: night vi¦sion

noun

[mass noun]
  • 1The faculty of seeing in the dark, especially when the eyes have become adapted to the low level of light.
    More example sentences
    • Its compounds also help the eyes adapt to bright light and improve night vision.
    • First signs are blurry vision, especially in bright light, loss of night vision and needing more light to read by.
    • Since cones do not function well in darkness, night vision depends strongly on light picked up by rods.
  • 1.1 [as modifier] Denoting devices that enable the user to see in the dark: night-vision goggles
    More example sentences
    • Many discarded their water bottles, night-vision devices and other useful equipment because this was meant to be a quick, in-and-out daylight mission.
    • Close-fitting eye lenses are shaped to improve peripheral vision and are compatible with most optical sighting and night-vision devices.
    • In addition to the Sniperscope and other night-vision devices, the potential of this technology for guidance purposes began to be realized.

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Pronunciation: skəʊʃ
noun
a small amount; a little