单词 | rampart |
释义 | rampart [`ram´pärt] GEOLOGY 1. A narrow, wall-like ridge, 3-7 feet (1-2 meters) high, built up by waves along the seaward edge of a reef flat, and consisting of boulders, shingle, gravel, or reef rubble, commonly capped by dune sand. 2. A wall-like ridge of unconsolidated material formed along a beach by the action of strong waves and current. 3. A crescentic or ringlike deposit of pyroclastics around the top of a volcano. |
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