MUSCLE TONE

\mˈʌsə͡l tˈə͡ʊn], \mˈʌsə‍l tˈə‍ʊn], \m_ˈʌ_s_əl t_ˈəʊ_n]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd