sometimes an ailment of pregnant women. cravings to eat unusual, or inedible, objects are called pica. also present in iron deficiency anaemia (or anemia in US) and some parasitic infestations. the physiological basis is unknown.
Ge*oph"a*gism (?), n. [Gr. , , earth + to eat.]
The act or habit of eating earth. See Dirt eating, under Dirt.
© Webster 1913.
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