Definition of retinitis pigmentosa in English:

retinitis pigmentosa

Syllabification: ret·i·ni·tis pig·men·to·sa
Pronunciation: /ˌpiɡmənˈtōsə, -zə


A chronic hereditary eye disease characterized by black pigmentation and gradual degeneration of the retina.
More example sentences
  • Bryant has retinitis pigmentosa, an eye disease that has blinded four generations of her family.
  • Homer has been legally blind since the age of 35 as a result of retinitis pigmentosa and glaucoma.
  • Millions of people around the world live in a blurry or darkened world because of eye diseases such as macular degeneration or retinitis pigmentosa.


mid 19th century: pigmentosa, feminine of Latin pigmentosus, from pigmentum 'pigment'.

Definition of retinitis pigmentosa in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day retroflex
Pronunciation: ˈretrəˌfleks
turned backward