geode UK /ˈdʒiː.əʊd/US /ˈd͡ʒiː.oʊd/ noun1 •A nodule of stone having a cavity lined with mineral or crystal matter on the inside wall. formsGEODEs · geodes
GEODE noun1 •Acronym of generic object of dark energy, a theoretical alternative to black holes; an object with an event horizon enclosing an interior composed of dark energy.