GREY SUBSTANCE

\ɡɹˈe͡ɪ sˈʌbstəns], \ɡɹˈe‍ɪ sˈʌbstəns], \ɡ_ɹ_ˈeɪ s_ˈʌ_b_s_t_ə_n_s]\
Sort: Oldest first
 
2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd