quercitron

American  

[kwur-si-truhn] / ˈkwɜr sɪ trən /

noun

1. an oak, Quercus velutina, of eastern North America, the inner bark of which yields a yellow dye.

2. the bark itself.

3. the dye obtained from this bark.

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Etymology

Origin of quercitron

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

Example Sentences

The bark of the black oak, Quercus tinctoria and its varieties, natives of North America, are used by dyers under the name of quercitron.

From The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c. by Simmonds, P. L.

Brown.—Prepare a bath with 20 lb. cutch, 2 lb. copper sulphate, 4 lb. quercitron extract.

From The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student by Beech, Franklin

Then of wood colours we have further: quercitron, Persian berries, fustic and the tannins or tannic acids, comprising extracts, barks, fruits, and gallnuts, with also leaves and twigs, as with sumac.

From The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association by Shonk, Albert

But with larger proportions of logwood the color obtained was a fine bluish-black, and with the addition of a small proportion of fustic or quercitron bark to the logwood a jet black was readily produced.

From Scientific American Supplement, No. 711, August 17, 1889 by Various

A very minute proportion of quercetin, a principle yielded by quercitron bark, has been obtained from catechu.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" by Various