From Longman Dictionary of Contemporary Englishdesegregatede‧seg‧re‧gate /diːˈseɡrɪɡeɪt/ verb [transitive] PPPto end a system in which people of different races are kept separate → integrate OPP segregate —desegregation /ˌdiːseɡrəˈɡeɪʃən $ diːˌseɡ-/ noun [uncountable]→ See Verb table
Examples from the Corpus
desegregate• In fact open admissions was often posed as the means to desegregate higher education.• Dozens, however, soon became effective leaders in the struggle to desegregate the Boston schools.• School officials are still working to desegregate the district. 