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单词 phthoric
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phthoric
phthoric adj. [compare French phthorique (1819 or earlier as phtorique ); R. G. Mayne (see quot. 1858) gives also a Latin form phthoricus] Obsolete fluoric.
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the world > matter > chemistry > chemical substances > acids > [adjective] > of or relating to named acids > containing fluorine
phthoric1858
1858 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Phthoricus..applied by Guibourt to..binary compounds, in which..fluor, or fluorine, performs the part of a negative element: phthoric.
extracted from phthoren.
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