| 释义 |
nappeenUK
nappe K0086100 (năp)n.1. A sheet of water flowing over a dam or similar structure.2. Geology A large sheetlike body of rock that has been moved far from its original position.3. Mathematics Either of the two parts into which a cone is divided by the vertex.
[French, tablecloth, nappe, from Old French, tablecloth, from Latin mappa, napkin; see map.]nappe (næp) n1. (Geological Science) a large sheet or mass of rock, commonly a recumbent fold, that has been thrust from its original position by earth movements2. the sheet of water that flows over a dam or weir3. (Mathematics) geometry either of the two parts into which a cone (sense 2) is divided by the vertex[C20: from French: tablecloth]nappe (næp)
n. Geom. one of the two equal sections of a cone. [1905–10; < French: literally, tablecloth; Old French nappe, nape < Latin mappa] nappe
A recumbent (flopped over) fold that has sheared through, with its upper limb forced far forward.nappeenUK
nappe[nap] (geology) A sheetlike, allochthonous rock unit that is formed by thrust faulting or recumbent folding or both. (mathematics) One of the two parts of a conical surface defined by the vertex. |