RECORD-BREAKING

\ɹˈɛkɔːdbɹˈe͡ɪkɪŋ], \ɹˈɛkɔːdbɹˈe‍ɪkɪŋ], \ɹ_ˈɛ_k_ɔː_d_b_ɹ_ˈeɪ_k_ɪ_ŋ]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd