bi‧o‧se‧cu‧ri‧ty /ˌbaɪəʊsɪˈkjʊərəti, ˌbaɪəʊsɪˈkjʊərɪti $ ˌbaɪoʊsɪˈkjʊr-/ 
 noun [uncountable] things that are done to prevent diseases from spreading between people, animals, or crops: 
 Poultry producers have started to adopt strict biosecurity measures.
 Poultry producers have started to adopt strict biosecurity measures.  [TahlilGaran] Dictionary of Contemporary English ▲