the dark, lustrous coating or crust, usually of manganese and iron oxides, that forms on rocks, pebbles, etc., when exposed to weathering in the desert.
THE SEPTEMBER WORD OF THE DAY QUIZ HAS ARRIVED!
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Question 1 of 10
Which definition best describes “spang”?
Also called desert polish.
Origin of desert varnish
First recorded in 1900–05
Words nearby desert varnish
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020