from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The bright orange inner bark of the black oak, from which a yellow dye is obtained.
- n. The dye obtained from this bark.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A yellow dye obtained from the bark of the black oak.
- n. The black oak tree, Quercus velutina, indigenous to North America.
from the GNU version of the Collaborative International Dictionary of English
- n. The yellow inner bark of the Quercus tinctoria, the American black oak, yellow oak, dyer's oak, or quercitron oak, a large forest tree growing from Maine to eastern Texas.
- n. Quercitrin, used as a pigment. See Quercitrin.
from The Century Dictionary and Cyclopedia
- n. The black or dyers' oak, Quercus tinctoria, a tree from 70 to 100 feet high, common through the eastern half of the United States and in southern Canada.
- n. The bark of this tree.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. medium to large deciduous timber tree of the eastern United States and southeastern Canada having dark outer bark and yellow inner bark used for tanning; broad five-lobed leaves are bristle-tipped
- n. a yellow dye made from the bark of the quercitron oak tree
Few previously unknown natural coloring sources brought into Europe at this time proved to have widespread commercial success; quercitron is the only example that comes readily to mind.
With regard to Mr. Watson Smith's observation as to fractional dyeing, he (Mr. Siebold) did not regard this method as a suitable trial for ascertaining the strength of an extract, but he admitted it was occasionally very valuable for detecting an admixture of extracts of other dyewoods, such as quercitron bark extract in logwood extract.
Bancroft's persuasive abilities were considerable: His 1775 patent for the sale of quercitron in Britain was renewed when he argued that war hindered his ability to exploit its rights. 43 Once the patent was extended, Bancroft turned to the Council of Commerce in Paris for a similar privilege in France; he controlled access to this improved coloring material and its coloring technique in both countries until his death.
About the time of the Revolution the town became a well-known station for the export of quercitron bark, and all the while the clacking mills were busy along the uneasy rapids of the Brandywine.
_ -- Work for twenty minutes at 80° F. in a bath of 10 lb. fustic extract, 5 lb. quercitron extract, 2 lb. logwood extract; heat to boil, work for half an hour, then enter in a cold bath of 2 lb. sodium bichromate and 5 lb. copper sulphate; work for twenty minutes, then heat to boil; work for twenty minutes more, wash and dry.
The dye-woods -- fustic, Brazil wood, bar wood, Lima wood, cam wood, cutch, peach wood, quercitron bark, Persian berries -- have since the introduction of the direct dyes lost much of their importance and are now little used.
Logwood is not only used for dyeing blacks and greys as the principal colouring matter, but is also used as a shading colour along with cutch, fustic, quercitron, etc., in dyeing olives, browns, etc., and among the recipes given in this section examples of its use in this direction will be found.
The usual methods of applying all the other dye-woods, to obtain scarlets to reds with Brazil wood, Lima wood, peach wood; or yellows with fustic, quercitron or Persian berries, is to first prepare the cotton with sumac, then mordant with alumina acetate or tin crystals
In the case of the natural dye-stuffs -- logwood, fustic, Persian berries, Brazil wood, camwood, cochineal, quercitron, cutch, etc. -- which belong to this group of
_Brown Stil de Grain_, _Citrine Lake_, or _Quercitron Lake_ is usually prepared from the berries of Avignon (ramnus infectorius), better known as French, Persian, or Turkey berries; but a more durable and quicker drying species is obtained from the quercitron bark.