Antonym: deterioration. Similar words: ameliorate, deterioration, transnational corporation, multinational corporation, oration, perforation, adoration, peroration. Meaning: [ə‚miːljə'reɪʃn] 
n. the act of relieving ills and changing for the better.
n. the act of relieving ills and changing for the better. 
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31, One of the most startling proposals for amelioration, in fact, came from Wall Street.
32, Hereby the corresponding structure amelioration was brought to success. Finally, the validity of the structure amelioration was validated by experimentation.
33, The Text Research Malfunction Diagnosis of Returning Reference Point for Numerical Control Machine, And Bring Forward Amelioration For ATC of Machine Center.
34, To investigate the relationship between the method of the palatopharyngeal operation and pronouncing amelioration.
35, Objective: To investigate the relationship between the method of the palatopharyngeal operation and pronouncing amelioration.
36, Conclusion The amelioration of bone marrow transplant maybe counteract damage of bone marrow transplant.
37, Through academic discussion and exponential analysis, the cause of vibration, the amelioration measure was provided.
More similar words: ameliorate, deterioration, transnational corporation, multinational corporation, oration, perforation, adoration, peroration, decoration, coloration, exploration, evaporation, restoration, elaboration, corporation, incorporation, commemoration, deliberation, collaboration, corroboration, discoloration, in commemoration of, close corporation, in collaboration with, rationalization, rationalisation, alternation of generations, certificate of incorporation, ratiocination, ratification.