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| fluorine | |||
| fluorine A gaseous or liquid chemical element; a member of the halide family, it is the most electronegative element and the most chemically energetic of the nonmetallic elements; highly toxic, corrosive, and flammable; used in rocket fuels and as a chemical intermediate | |||
| fluxus | |||
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fluor : 2 phrases in 2 subjects |
| Chemistry | 1 |
| Medical | 1 |