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retinite

American  
[ret-n-ahyt] / ˈrɛt nˌaɪt /

noun

Mineralogy.

  1. any of various fossil resins, especially one derived from brown coal.

retinite British  
/ ˈrɛtɪˌnaɪt /

noun

  1. any of various resins of fossil origin, esp one derived from lignite

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of retinite

1815–25; < French rétinite, equivalent to rétin- (combining form of Greek rhētī́nē resin ) + -ite -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.