PERFIDIOUSNESS
\pɜːfˈɪdɪəsnəs], \pɜːfˈɪdɪəsnəs], \p_ɜː_f_ˈɪ_d_ɪ__ə_s_n_ə_s]\
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By Noah Webster.
Word of the day
Holocrystalline
- Completely crystalline; - said a rock like granite, all the constituents of which are crystalline.