FUNDAMENTAL PARTICLE

\fˌʌndəmˈɛntə͡l pˈɑːtɪkə͡l], \fˌʌndəmˈɛntə‍l pˈɑːtɪkə‍l], \f_ˌʌ_n_d_ə_m_ˈɛ_n_t_əl p_ˈɑː_t_ɪ_k_əl]\
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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