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• red-eye
  red-eye

  noun

  the condition of having bloodshot eyes, as from eyestrain or lack of sleep.
• red eye
  red eye

  noun

  photog an undesirable effect that sometimes appears in flashlight portraits when light from the flash enters the eye and is reflected from the retina on to the film, producing a red colour

red-eye

American  

[red-ahy] / ˈrɛdˌaɪ /

noun

1. the condition of having bloodshot eyes, as from eyestrain or lack of sleep.

2. Informal. Also red eye, a commercial airline flight between two distant points that departs late at night and arrives early in the morning.

3. redeye.

4. an unwanted photographic effect in which a person's iris appears to be red: caused by the reflection of a flashbulb off the blood vessels of the retina.

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adjective

1. Informal. Also of or indicating a long-distance flight that leaves late at night.

   the red-eye special from New York to Los Angeles.

red-eye ¹ British  

noun

1. informal

   1. an aeroplane flight leaving late at night or arriving early in the morning

   2. ( as modifier )

      a red-eye flight

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red eye ² British  

noun

1. photog an undesirable effect that sometimes appears in flashlight portraits when light from the flash enters the eye and is reflected from the retina on to the film, producing a red colour

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Etymology

Origin of red-eye

1965–70, red-eye for def. 2

Example Sentences

Red eye color is wild-type and is dominant to white eye color.

From Textbooks • Jun. 9, 2022

Polk Gulch" and hung out signs like "Red eye, 15�.

From Time Magazine Archive

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