IMPENETRABL
\ɪmpˈɛnɪtɹˌabə͡l], \ɪmpˈɛnɪtɹˌabəl], \ɪ_m_p_ˈɛ_n_ɪ_t_ɹ_ˌa_b_əl]\
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-
Not penetrable; possessing impenetrability.
By James Champlin Fernald
Word of the day
Tetrachlorvinphos
- An organophosphate cholinesterase inhibitor that is used as insecticide. It has low mammalian toxicity. (From Merck Index, 11th ed)