Definition of biosecurity noun from the Oxford Advanced American Dictionary

 

biosecurity

 noun
noun
NAmE//ˌbaɪoʊsəˈkyʊrət̮i//
 
[uncountable]
 
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the activities involved in preventing the spread of animal and plant diseases from one area to another the importance of biosecurity in poultry farming biosecurity measures to prevent another outbreak
See the Oxford Advanced Learner's Dictionary entry: biosecurity