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torbanite

American  
[tawr-buh-nahyt] / ˈtɔr bəˌnaɪt /

noun

  1. Petrology. a dark-brown oil shale containing a large amount of carbonaceous matter.

Etymology

Origin of torbanite

1855–60; named after Torbane (Hill), in Linlithgowshire, Scotland; see -ite 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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