geophagy

American  

[jee-of-uh-jee] / dʒiˈɒf ə dʒi /

Also geophagia

noun

1. the practice of eating earthy matter, especially clay or chalk, as in famine-stricken areas.

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geophagy British  

/ dʒɪˈɒfəɡəs, ˌdʒɪəˈfeɪdʒə, dʒɪˈɒfədʒɪ, dʒɪˈɒfədʒɪzəm, -dʒɪə /

noun

1. the practice of eating earth, clay, chalk, etc, found in some primitive tribes

2. zoology the habit of some animals, esp earthworms, of eating soil

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Other Word Forms

• geophagist noun
• geophagous adjective

Etymology

Origin of geophagy

First recorded in 1840–50; geo- + -phagy

Example Sentences

Not only that, but eating clay—a phenomenon called geophagy—provides the birds with needed salt, along with balancing their pH.

From National Geographic

Eating large amounts of dirt is called soil pica, or geophagy.

From New York Times

Eating earth, which scientists call "geophagy", is a known habit among chimpanzees as well as other animals.

From BBC

Eating clay, also known as geophagy can occur in both animals and humans.

From US News

Eating soil or its component parts is known as geophagy.

From BBC