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geode (n.)
rounded stone with a hollow center lined with crystals, 1670s (in Greek form from 1610s), from French géode, from Latin geodes, name of a certain precious stone, from Greek geodes "earthy, earth-like, with deep soil," from gē "earth" (Homeric gaia; see Gaia) + -oidēs, adjective suffix, "characterized by" (see -oid). Perhaps so called in reference to the rough crust in which the crystals are hidden. Related: Geodic.
updated on September 24, 2022
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Dictionary entries near geode
genus
-geny
geo-
geocentric
geochronology
geode
geodesic
geodesy
geodetic
geoduck
Geoffrey