See Also: xanthation(dictionary)
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Medicine Lodge Memorial Hospital- Medicine Lodge(health)
Orthomolecular medicine (orthomolecular nutritional medicine, orthomolecular therapy)(health)
medicine(1)(dictionary)
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medicine(encyclopedia)
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trass (medicine) and xanthation (iou)


trass (medicine)


trass
<geology> A white to gray volcanic tufa, formed of decomposed trachytic cinders; sometimes used as a cement. Hence, a coarse sort of plaster or mortar, durable in water, and used to line cisterns and Other reservoirs of water. [Formerly written also tarras, tarrace, terras.

The Dutch trass is made by burning and grinding a soft grayish rock found on the lower Rhine.

Origin: D. Tras or Gr. Trass, probably fr. It. Terrazzo terrace. See Terrace.

Source: Websters Dictionary


xanthation (iou)



xanthation noun. E20.
[from XANTHATE noun + -ATION.]
A stage in the viscose process for making rayon, in which alkaline cellulose is treated with carbon disulphide to form cellulose xanthate.