单词 | berm |
释义 | berm [bǝrm] CIVIL ENGINEERING A horizontal ledge cut between the foot and top of an embankment to stabilize the slope by intercepting sliding earth. GEOLOGY 1. A narrow terrace which originates from the interruption of an erosion cycle with rejuvenation of a stream in the mature stage of its development and renewed dissection. 2. A horizontal portion of a beach or backshore formed by deposit of material as a result of wave action. Also known as backshore terrace; coastal berm. |
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