PERTINACY
\pˈɜːtɪnəsi], \pˈɜːtɪnəsi], \p_ˈɜː_t_ɪ_n_ə_s_i]\
Definitions of PERTINACY
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By Oddity Software
By Noah Webster.
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.