SPECTROSCOPY

\spɛktɹˈɒskəpɪ], \spɛktɹˈɒskəpɪ], \s_p_ɛ_k_t_ɹ_ˈɒ_s_k_ə_p_ɪ]\
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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
 
1919 - The Winston Simplified Dictionary
By William Dodge Lewis, Edgar Arthur Singer