Dictionary

geode

noun ge·ode \ˈjē-ˌōd\

Definition of GEODE

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

Origin of GEODE

Latin geodes, a gem, from Greek geōdēs earthlike, from earth
First Known Use: circa 1732

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debouch Hear it
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