geode

geode Definition

ge·ode (jē′ōd′)

noun

a globular stone having a cavity lined with inward-growing crystals or layers of silica
1. such a cavity
2. any formation like this

Etymology: Fr géode < L geodes, a precious stone < Gr geoidēs, earthlike < gē, earth + -eidos, -oid

geode Related Forms

ge·od′ic (-äd′ik) adjective

geode Usage Examples

Converse of object

have: If possible it is preferable to actually have a geode that you can hold whilst doing this meditation.

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