单词 | basement |
释义 | basement [`bās·mǝnt] BUILDING CONSTRUCTION A building story which is wholly or less than half below ground; it is generally used for living space. GEOLOGY 1. A complex, usually of igneous and metamorphic rocks, that is overlain unconformably by sedimentary strata. Also known as basement rock. 2. A crustal layer beneath a sedimentary one and above the Mohorovicic discontinuity. 3. The ancient continental igneous rock base that lies beneath Precambrian rocks. Also known as basal complex; basement complex. |
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