Definitions for coal tar
coal tar

Princeton's WordNetRate this definition:0.0 / 0 votes

1. coal tarnoun

   a tar formed from distillation of bituminous coal; coal tar can be further distilled to give various aromatic compounds

WiktionaryRate this definition:0.0 / 0 votes

1. coal tarnoun

   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 medicated soap and shampoo, and industrially for the manufacture of very many products.

WikipediaRate this definition:0.0 / 0 votes

1. Coal tar

   Coal tar is a thick dark liquid which is a by-product of the production of coke and coal gas from coal. It has both medical and industrial uses. It may be applied to the affected area to treat psoriasis and seborrheic dermatitis (dandruff). It may be used in combination with ultraviolet light therapy. Industrially it is a railway tie preservative and used in the surfacing of roads.Side effects include skin irritation, sun sensitivity, allergic reactions, and skin discoloration. It is unclear if use during pregnancy is safe for the baby and use during breastfeeding is not typically recommended. The exact mechanism of action is unknown. It is a complex mixture of phenols, polycyclic aromatic hydrocarbons (PAHs), and heterocyclic compounds. It demonstrates antifungal, anti-inflammatory, anti-itch, and antiparasitic properties.Coal tar was discovered around 1665 and used for medical purposes as early as the 1800s. It is on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system. Coal tar is available as a generic medication and over the counter. In the United Kingdom 125 ml of 5% shampoo costs the NHS about £1.89. In the United States a month of treatment costs less than $25 USD. Coal-tar was one of the key starting materials for the early pharmaceutical industry.

ChatGPTRate this definition:0.0 / 0 votes

1. coal tar

   Coal tar is a viscous, dark brown to black liquid produced during the process of coal distillation. It is comprised of a complex mixture of numerous hydrocarbon compounds including phenols, polycyclic aromatic hydrocarbons, and heterocyclic compounds. Because of its properties, coal tar is commonly used in medical treatments for skin conditions, in industrial manufacturing processes, and as a protective coating for surfaces exposed to harsh conditions.

Webster DictionaryRate this definition:0.0 / 0 votes

1. Coal tar

   a thick, black, tarry liquid, obtained by the distillation of bituminous coal in the manufacture of illuminating gas; used for making printer's ink, black varnish, etc. It is a complex mixture from which many substances have been obtained, especially hydrocarbons of the benzene or aromatic series

WikidataRate this definition:0.0 / 0 votes

1. Coal tar

   Coal tar is a brown or black liquid of extremely high viscosity. Coal tar is among the by-products when coal is carbonized to make coke or gasified to make coal gas. Coal tars are complex and variable mixtures of phenols, polycyclic aromatic hydrocarbons, and heterocyclic compounds.

U.S. National Library of MedicineRate this definition:0.0 / 0 votes

1. 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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How to pronounce coal tar?

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Numerology

1. Chaldean Numerology

   The numerical value of coal tar in Chaldean Numerology is: 3

2. Pythagorean Numerology

   The numerical value of coal tar in Pythagorean Numerology is: 7

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=coal tar
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Coal_Tar
3. ^ Wikipedia
   https://en.wikipedia.org/wiki/Coal_Tar
4. ^ ChatGPT
   https://chat.openai.com
5. ^ Webster Dictionary
   https://www.merriam-webster.com/dictionary/coal tar
6. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=coal tar