leukopenia

leu ko pe ni a |ˌlo͞okəˈpēnēə ˌlukəˈpiniə |(Brit. also leucopenia ) ▶noun Medicine a reduction in the number of white cells in the blood, typical of various diseases. DERIVATIVES leu ko pe nic |-nik |adjective ORIGIN late 19th cent.: from Greek leukos ‘white ’ + penia ‘poverty. ’