torbanite

[tawr-buh-nahyt]
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noun

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

Origin of torbanite

1855–60; named after Torbane (Hill), in Linlithgowshire, Scotland; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for torbanite

Historical Examples of torbanite