PERBORIC ACID

\pɜːbˈɒɹɪk ˈasɪd], \pɜːbˈɒɹɪk ˈasɪd], \p_ɜː_b_ˈɒ_ɹ_ɪ_k ˈa_s_ɪ_d]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd

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drill site

  • workplace that is the site of a drill hole
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