geode

ge·ode

noun \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 gē earth

First Known Use: circa 1732

Rhymes with GEODE

abode, anode, bar code, boatload, busload, byroad, carload, cartload, caseload, cathode, church mode, commode, corrode, crossroad, dead load, decode, diode, displode, download, dress code, dynode, embowed, encode, epode, erode, explode, forebode, freeload, front-load, high road, implode, inroad, live load, lymph node, no-load, off-load, outmode, payload, planeload, postcode, post road, railroad, rhapsode, sarod, shipload, side road, Silk Road, skid road, source code, spring-load, square-toed, tetrode, threnode, trainload, triode, truckload, unload, upload, zip code

geode

noun    (Concise Encyclopedia)

Hollow mineral body found in limestones and some shales, commonly a slightly flattened globe 1–12 in. (2.5–30 cm) in diameter and containing a chalcedony layer surrounding an inner lining of crystals. The hollow interior often is nearly filled with inward-projecting crystals, new layers growing on top of old. The crystals are often of quartz but sometimes of other minerals.