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phosphene

Pronunciation: /ˈfɒsfiːn/
Definition of phosphene

noun

  • a sensation of a ring or spot of light produced by pressure on the eyeball or direct stimulation of the visual system other than by light.

Origin:

late 19th century: formed irregularly from Greek phōs 'light' + phainein 'to show'

phosphene in other Oxford dictionaries

Definition of phosphene in the US English dictionary
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