Tars
| Definition: |
Viscous materials composed of complex, high-molecular-weight compounds derived from the distillation of petroleum or the destructive distillation of wood or coal. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
| Notes: |
D25-26 qualif |
Tars Categories.
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Coal Tar - A by-product of the destructive distillation of coal used as a topical antieczematic. It is an antipruritic and keratoplastic agent used also in the treatment of psoriasis and other skin conditions. Occupational exposure to soots, tars, and certain mineral oils is known to be carcinogenic according to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985) (Merck Index, 11th ed). |
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Tar-Water - A cold infusion of tar in water, formerly regarded as a cure-all. (Webster, 3d ed) |
Tars Definitions and Terms
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