| geode | (mineralogy) a hollow rock or nodule with the cavity usually lined with crystals |
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| geode | (mathematics) the shortest line between two points on a mathematically defined surface (as a straight line on a plane or an arc of a great circle on a sphere) |
| geode | of or relating to or determined by geodesy |
| geode | of or resembling a geodesic dome |
| geode | a lightweight dome constructed of interlocking polygons |
| geode | (mathematics) the shortest line between two points on a mathematically defined surface (as a straight line on a plane or an arc of a great circle on a sphere) |
| geode | of or relating to or determined by geodesy |
| geode | the branch of geology that studies the shape of the earth and the determination of the exact position of geographical points |
| geode | of or relating to or determined by geodesy |