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Pronunciation: flor-o'sis


  1. A condition caused by an excessive intake of fluorides (2 or more ppm in drinking water), characterized mainly by mottling, staining, or hypoplasia of the enamel of the teeth, although the skeletal bones are also affected.
  2. Chronic poisoning of livestock with fluorides that blacken and soften developing teeth and reduce bones to a chalky brittleness; most often caused by ingestion of forage contaminants near large aluminum plants.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.