noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The practice of eating earthy substances such as clay and chalk, often during famines or thought to augment a mineral-deficient diet. uncountable
2. 2
   eating earth, clay, chalk; occurs in some primitive tribes, sometimes in cases of nutritional deficiency or obsessive behavior wordnet

Synonyms

All synonyms

chthonophagiageophagiapicapica

Etymology

From geo- + -phagy.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.