red-eye

[red-ahy]

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.

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

noun

1. informal

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

   2. ( as modifier )

      a red-eye flight

red eye

²

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

Word History and Origins

Origin of red-eye¹

1965–70, red-eye for def. 2

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