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Definition of cowpox noun from the Oxford Advanced Learner's Dictionary

cowpox

noun
 
/ˈkaʊpɒks/
 
/ˈkaʊpɑːks/
[uncountable]
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  1. a disease caused by a virus, which affects cows and can be caught by humans. The cowpox virus was used in making vaccines against smallpox.
See cowpox in the Oxford Advanced American Dictionary
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adjective
 
 
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