Definition of photism in English:

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Pronunciation: /ˈfəʊtɪz(ə)m/


A hallucinatory sensation or vision of light.
Example sentences
  • The first painting in which I consciously recorded a photism that I saw during an acupuncture session, called Vision (Fig. 1), was created in 1996.
  • The idea was that if a photism was an automatic consequence of letter identification, then the photism should interfere with naming the ink colour of these letters on incongruent cards.


Late 19th century: from Greek phōtismos, from phōtizein 'to shine', from phōs, phōt- 'light'.

For editors and proofreaders

Line breaks: phot|ism

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