单词 | caldera |
释义 | ‖ caldera Geol.|kalˈdera| [a. Sp. caldera = Pg. caldeira, F. chaudière cauldron, kettle, boiler:—L. caldāria, pl. of prec.] A deep cauldron-like cavity on the summit of an extinct volcano.
1865Lyell Elem. Geol. (ed. 6) 632 Enlarged afterwards into a caldera. 1875Watts Dict. Chem. VII. 553 [In] the valley of Furnas..the soil is now perforated by a number of geysers. The three largest and most active of these are called ‘caldeiras’. |

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