Shale

Definitions

1. A shell or husk; a cod or pod.
   countable, uncountable
2. A former municipality and now subdivision of the municipality of Shkodër, Albania
3. A fine-grained sedimentary rock of a thin, laminated, and often friable, structure.
   countable, uncountable
4. A river flowing from its source in the Albanian Alps, near the village of Theth
5. A historical tribe and region of northern Albania

Equivalents

Examples

“the green shales of a bean”

“Mr. Lyell next visited the red and green shales of Cabotville, north of Springfield in Massachusetts, where some of the best Ornithichnites have⟳ been procured, chiefly in the green shale.”

“As on all large green roofs, the soil is not dirt exactly but a gravel-like growing medium of granulated pumice, shales, clays and other minerals.”

“Five years in, ARPA–E’s priorities have⟳ shifted, too, for the same reason⟳. The cheap natural gas freed from shale by horizontal drilling and hydraulic fracturing (or fracking) has helped kill⟳ off bleeding-edge programs like⟳ Electrofuels, a bid to use⟳ microbes to turn⟳ cheap electricity into liquid fuels, […]”

CEFR level