compulsory purchase order
noun [ C ] uk/kəmˌpʌl.sər.i ˈpɜː.tʃəs ˌɔː.dər/ us/kəmˌpʌl.sɚ.i ˈpɝː.tʃəs ˌɔːr.dɚ/
强制征收，强制性购买令（政府当局以公共所需为名从私人业主手中收购土地或财产的命令）
a demand made by a public authority to buy land or property from a private owner in order to use the land for public purposes