Meaning of stannous fluoride

stan'nous fluo'ride

Pronunciation: [key]
  1. a white, crystalline powder, SnF, slightly soluble in water: used as a source of fluorine in the prevention of dental caries, esp. as a toothpaste additive. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.