noun
- a yellow dye obtained from the inner bark of the black oak tree
- the black oak tree (Quercus velutina) from which this dye is obtained
Usage: technical
Usage: botanical
Examples
- The textile factory imported quercitron from American oak forests.
- Quercitron was widely used to dye fabrics yellow in the 18th century.
- The quercitron tree grows naturally in eastern North America.
- Colonial dyers valued quercitron for its bright, lasting color.
- Before synthetic dyes, quercitron was a major export commodity.
- The bark of the quercitron yields a rich golden pigment.