| geophagia | (noun) eating earth, clay, chalk; occurs in some primitive tribes, sometimes in cases of nutritional deficiency or obsessive behavior | Synonyms: geophagy |
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| geophagy | (noun) eating earth, clay, chalk; occurs in some primitive tribes, sometimes in cases of nutritional deficiency or obsessive behavior | Synonyms: geophagia |
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| geophysicist | (noun) a geologist who uses physical principles to study the properties of the earth | - |
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| geophysics | (noun) geology that uses physical principles to study properties of the earth | Synonyms: geophysical science |
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| geophyte | (noun) a perennial plant that propagates by underground bulbs or tubers or corms | - |
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| geopolitics | (noun) the study of the effects of economic geography on the powers of the state | - |
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