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geode

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geode

Main Entry:: ge·ode
Pronunciation:: \ˈjē-ˌōd\
Function:: noun
Etymology:: Latin geodes, a gem, from Greek geōdēs earthlike, from gē earth
Date:: circa 1732

1 : a nodule of stone having a cavity lined with crystals or mineral matter 2 : the cavity in a geode

Learn more about "geode" and related topics at Britannica.com

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