a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite
source: WordNet 3.0
the capacitance of a capacitor that has an equal and opposite charge of 1 coulomb on each plate and a voltage difference of 1 volt between the plates
source: WordNet 3.0
the 6th letter of the Roman alphabet
source: WordNet 3.0
verb
The name of the fourth tone of the model scale, or scale of C. F sharp (F ♯) is a tone intermediate between F and G.