HIERARCHICAL STRUCTURE

\ha͡ɪ͡əɹˈɑːkɪkə͡l stɹˈʌkt͡ʃə], \ha‍ɪ‍əɹˈɑːkɪkə‍l stɹˈʌkt‍ʃə], \h_aɪə_ɹ_ˈɑː_k_ɪ_k_əl s_t_ɹ_ˈʌ_k_tʃ_ə]\

Definitions of HIERARCHICAL STRUCTURE

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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd