Origin of Gilsonite

First recorded in 1885–90


or u·in·tah·ite

  1. an extremely pure asphalt particularly valuable for the manufacture of paints and varnishes.

Origin of uintaite

1885–90; named after the Uinta Mountains; see -ite1
Also called gilsonite. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for gilsonite


  1. trademark a very pure form of asphalt found in Utah and Colorado; used for making paints, varnishes, and linoleum

Word Origin for Gilsonite

C19: named after S. H. Gilson of Salt Lake City, Utah, who discovered it
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