LOGIC OPERATION

\lˈɒd͡ʒɪk ˌɒpəɹˈe͡ɪʃən], \lˈɒd‍ʒɪk ˌɒpəɹˈe‍ɪʃən], \l_ˈɒ_dʒ_ɪ_k ˌɒ_p_ə_ɹ_ˈeɪ_ʃ_ə_n]\
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2011 - English Dictionary Database
By DataStellar Co., Ltd
 
2006 - WordNet 3.0
By Princeton University