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coal tar

noun

Definitions

  1. A black, viscous tar made by the destructive distillation of coal (to make coke and town…

    A black, viscous tar made by the destructive distillation of coal (to make coke and town gas); it contains a great number of compounds including hydrocarbons and phenols; used in the preparation of medicinal soap and shampoo, and industrially for the manufacture of many products.

    • Phenol can be obtained from coal tars by two methods : (a) Directly by separation of the product contained in this type of feedstock, at the rate of 0.5 to 1.5 per cent weight.

The neighborhood

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sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA