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onchocerciasis Syllabification: on·cho·cer·ci·a·sis
Pronunciation: /ˌäNGkōsərˈkīəsəs/

Definition of onchocerciasis in English:


Technical term for river blindness.
Example sentences
  • He wanted to know what was wrong with the six-year-old girl with opaque corneas (probably from the highly prevalent infection onchocerciasis causing ‘river blindness’).
  • Onchocerciasis eliminated from west Africa: Officials from the World Health Organization last week celebrated the elimination of onchocerciasis, or river blindness, as a public health threat in west Africa.
  • Both onchocerciasis and malaria were given global priority for eradication, with global, regional, and national commitment in the form of political backing and financial and technical resources.


Early 20th century: from modern Latin Onchocerca (from Greek onkos 'barb' + kerkos 'tail') + -iasis.

Definition of onchocerciasis in:
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