Definition of river blindness in English:

river blindness

Syllabification: riv·er blind·ness

noun

A tropical skin disease caused by a parasitic filarial worm, transmitted by the bite of blackflies (Simulium damnosum) that breed in fast-flowing rivers. The larvae of the parasite can migrate into the eye and cause blindness. Also called onchocerciasis.
  • The worm is Onchocerca volvulus, class Phasmida
More example sentences
  • Onchocerciasis, or river blindness affects more than 17 million people in Africa, Latin America, and Yemen.
  • Officials from the World Health Organization last week celebrated the elimination of onchocerciasis, or river blindness, as a public health threat in west Africa.
  • We are planting corn, rice or wheat, and we're also dealing with Guinea worm, and river blindness, and chistocymsis and tropical diseases.

Definition of river blindness in:

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Word of the day demoralize
Pronunciation: dəˈmôrəˌlīz
verb
cause (someone) to lose confidence or hope; dispirit