IMPUGNABLE
\ɪmpjˈuːnəbə͡l], \ɪmpjˈuːnəbəl], \ɪ_m_p_j_ˈuː_n_ə_b_əl]\
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By Oddity Software
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.