CORTICAL REGION

\kˈɔːtɪkə͡l ɹˈiːd͡ʒən], \kˈɔːtɪkə‍l ɹˈiːd‍ʒən], \k_ˈɔː_t_ɪ_k_əl ɹ_ˈiː_dʒ_ə_n]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd