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单词 phthore
释义 phthore Obs. Chem.
[a. F. phthore, ad. Gr. ϕθορά destruction, f. ϕθείρ-ειν to destroy, corrupt.]
Old name for the element fluorine, because of the corrosive action of hydrofluoric acid. Hence ˈphthoric a., fluoric; ˈphthorine, fluorine.
1858Mayne Expos. Lex., Phthoricus...applied by Guibourt to..binary compounds, in which..fluor, or fluorine, performs the part of a negative element: phthoric.Ibid., Phthorina, Chem., term for the presumed base of fluoric acid..: phthorine.1895Funk's Stand. Dict., Phtor.
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