ARGILLA PURA
\ɑːɡˈɪlə pjˈʊ͡əɹə], \ɑːɡˈɪlə pjˈʊəɹə], \ɑː_ɡ_ˈɪ_l_ə p_j_ˈʊə_ɹ_ə]\
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This substance, which is prepared by drying alum and exposing it, for twenty or twenty-five minutes, to a red heat, until the sulphuric acid is driven off, has been recommended in indigestion as antacid, as well as in vomiting and diarrhoea accompanied with acidity.
By Robley Dunglison
Word of the day
Snake's-head
- Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head.