[ ret-n-ahyt ]
/ ˈrɛt nˌaɪt /

noun Mineralogy.

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


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Origin of retinite

1815–25; < French rétinite, equivalent to rétin- (combining form of Greek rhētī́nē resin) + -ite -ite1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for retinite

/ (ˈrɛtɪˌnaɪt) /


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

Word Origin for retinite

C19: from French rétinite, from Greek rhētinē resin + -ite 1
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