quercitron

[kwur-si-truh n]

noun

an oak, Quercus velutina, of eastern North America, the inner bark of which yields a yellow dye.
the bark itself.
the dye obtained from this bark.

Origin of quercitron

1785–95; < Latin quer(cus) oak + citron

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for quercitron

Historical Examples of quercitron

Quercitron, which should be brought slowly to the boil and boiled for a few minutes only.
Vegetable Dyes
Ethel M. Mairet
In America quercitron is used for tanning, and in Europe for dyeing only.
Cooley's Practical Receipts, Volume II
Arnold Cooley
Quercitron is the inner bark of a species of oak (Quercus tinctoria) found in the United States.
Principles and Practice of Fur Dressing and Fur Dyeing
William E. Austin
Quercitron bark is an excellent dye-stuff employed by wool-dyers for the production of bright orange and yellow colours.
The New Gresham Encyclopedia
Various
If a dead black is wanted, add some decoction of quercitron or turmeric to the bath.
The Practical Ostrich Feather Dyer
Alexander Paul