geophagy

/dʒiːˈɑːfədʒi/
noun
  1. The act or habit of eating earthy substances like clay or chalk; same as geophagia.
    • Geophagy is common among certain animals that eat clay to neutralize toxins in their food.
    • Some scientists think geophagy may have evolved as a way to get extra minerals.
    • The documentary showed examples of geophagy in traditional communities around the world.
Synonyms
What does "geophagy" mean? | whatsthatwordmean | whatsthatwordmean