RADIOMICROMETER

\ɹˌe͡ɪdɪə͡ʊmˈa͡ɪkɹə͡ʊmˌiːtə], \ɹˌe‍ɪdɪə‍ʊmˈa‍ɪkɹə‍ʊmˌiːtə], \ɹ_ˌeɪ_d_ɪ__əʊ_m_ˈaɪ_k_ɹ_əʊ_m_ˌiː_t_ə]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd