visna

[ vis-nuh ]

/ ˈvɪs nə /

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noun

Veterinary Pathology. a disease of sheep, caused by a quickly mutating lentivirus, and affecting the central nervous system.

QUIZ

ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?

We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.

Question 1 of 8

Which of the following words describes “sky blue”?

navy

beryl

azure

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Origin of visna

First recorded in 1955–60, visna is from the Old Norse word visna to wither

Words nearby visna

visitor centre, visitorial, visitor's passport, Vislinsky Zaliv, vis major, visna, Viso, visor, Visser 't Hooft, vista, vistadome