quercitron

quercitron [kwur-si-truh n] ExamplesWord Origin 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 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.

Ethel M. Mairet

In America quercitron is used for tanning, and in Europe for dyeing only.

Arnold Cooley

Quercitron is the inner bark of a species of oak (Quercus tinctoria) found in the United States.

William E. Austin

Quercitron bark is an excellent dye-stuff employed by wool-dyers for the production of bright orange and yellow colours.

Various

If a dead black is wanted, add some decoction of quercitron or turmeric to the bath.

Alexander Paul