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hierarchy [hierarchy]▼(body of authoritative officials organised by rank)noun[UK: ˈhaɪə.rɑːk.i] [US: ˈhaɪə.ˌrɑːrk.i]
hierarchy [hierarchy]▼(class of objects)noun[UK: ˈhaɪə.rɑːk.i] [US: ˈhaɪə.ˌrɑːrk.i]
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