coal tar

名词 n.
中文释义

英文释义

名词 n.
  1. 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. countable,uncountable
    — 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.

词形变化

coal tars plural
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