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单词 shale
释义

WordReference Random House Learner's Dictionary of American English © 2024
shale /ʃeɪl/USA pronunciation   n. [uncountable]
  1. Geology, Rocksa kind of rock formed from clay.

WordReference Random House Unabridged Dictionary of American English © 2024
shale  (shāl),USA pronunciation n. 
  1. Geology, Rocksa rock of fissile or laminated structure formed by the consolidation of clay or argillaceous material.
  • 1740–50; origin, originally uncertain; compare obsolete shale to split (said of stone), to shell, derivative of shale shell, husk, Old English scealu shell, husk; see scale2
shalelike′, shaley, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
shale /ʃeɪl/ n
  1. a dark fine-grained laminated sedimentary rock formed by compression of successive layers of clay-rich sediment
Etymology: Old English scealu shell; compare German Schalstein laminated limestone; see scale1, scale²

ˈshaly adj
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