- a violet coloring matter obtained from various lichens, especially Lecanora tartarea.
Origin of cudbear
First recorded in 1760–70; coinage by Dr. Cuthbert Gordon, 18th-century Scottish chemist, based on his own name
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cudbear
About 130 tons of cudbear are imported annually from Sweden.
Various species of Lecanora, particularly L. tartarea, known as cudbear, are used in dyeing woollen yarn.
If the red color of the wool is due to archil or cudbear, it is extracted by hydrochloric acid, which is colored red.
If the colour is not good, tincture of red sanders or cudbear is directed to be added.
A mordant of alum, followed by a hot bath of brazil wood, and afterwards by a weak one of cudbear.
- another name for orchil
C18: whimsical alteration of Cuthbert, the Christian name of Dr Gordon, 18th-century Scot who patented the dye. See cuddy ²
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