QUALITY CONTROL

\kwˈɒlɪti kəntɹˈə͡ʊl], \kwˈɒlɪti kəntɹˈə‍ʊl], \k_w_ˈɒ_l_ɪ_t_i k_ə_n_t_ɹ_ˈəʊ_l]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd
 
2010 - Medical Dictionary Database
By DataStellar Co., Ltd