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

See Examples For:

quercitron

Under the deep-furrowed, brown surface bark is a yellow layer, rich in tannin, and a dyestuff called quercitron.

From Trees Worth Knowing by Rogers, Julia Ellen

Similarly the dyer proceeds to dye black upon a deep blue basis of indigo, with the ruddy colour of madder and the yellow of quercitron, &c.

From Field's Chromatography or Treatise on Colours and Pigments as Used by Artists by Salter, Thomas

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.

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

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