| 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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