Physics, a fluid; or, more properly, the state of a body that was before hard or solid, but is now reduced by fusion or fire into a state of fluidity.

Fluor Acid. See Fluoric Acid, Chemistry Index.

Fluor Albus, a flux incident to women, commonly known by the name of whiter. See Medicine Index.

Fluor Spar, or Blue John, called also fluxing spars, vitreous or glass spars, are minerals composed of calcareous earth united with fluoric acid. See Mineralogy Index.