| a white, crystalline powder, SnF2, slightly soluble in water: used as a source of fluorine in the prevention of dental caries, esp. as a toothpaste additive. |
r-ahyd, -flawr-, -flohr-]
.| stannous fluoride. |
stannous fluoride n.
A preparation of stannous tin and fluoride used to fluoridate toothpaste and other dental preparations.