- layer (v.)
[layer 词源字典] - 1832, from layer (n.). Related: Layered; layering.[layer etymology, layer origin, 英语词源]
- schist (n.)
- type of layered metamorphic rock, 1795 (earlier schistus, c. 1600), from French schiste (16c.), from Latin schistos lapis "stone that splits easily" (Pliny), from Greek skhistos "divided, separated," from skhizein "to split" (see shed (v.)). The rock splits easily in layers. Liddell & Scott say Greek skhistos lithos was "probably talc."
- stratovolcano (n.)
- coined in German (von Seebach, 1866), from strato- + volcano. So called for its layered structure.
