ENVIRONMENTAL

\ɛnvˌa͡ɪɹənmˈɛntə͡l], \ɛnvˌa‍ɪɹənmˈɛntə‍l], \ɛ_n_v_ˌaɪ_ɹ_ə_n_m_ˈɛ_n_t_əl]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd