Definition of quadrantanopia in English:

quadrantanopia

noun

Medicine
  • Loss of vision involving one quarter of the visual field (in one or both eyes); an instance of this.

Origin

Early 20th century; earliest use found in Philosophical Transactions of the Royal Society of London. From quadrant + -anopia.

Pronunciation

quadrantanopia

/ˌkwɒdr(ə)ntəˈnəʊpɪə/