PARADOXICAL SLEEP

\pˌaɹədˈɒksɪkə͡l slˈiːp], \pˌaɹədˈɒksɪkə‍l slˈiːp], \p_ˌa_ɹ_ə_d_ˈɒ_k_s_ɪ_k_əl s_l_ˈiː_p]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd
 
2010 - Medical Dictionary Database
By DataStellar Co., Ltd