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Noun: geophagy  jee'ó-fu-jee
  1. Eating earth, clay, chalk; occurs in some primitive tribes, sometimes in cases of nutritional deficiency or obsessive behaviour
    "Geophagy is sometimes observed in pregnant women with mineral deficiencies";
    - geophagia

Derived forms: geophagies

Type of: pica

Encyclopedia: Geophagy