1) Organic compound
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https://www.crosswordclues.com/clue/petrochemical
Petrochemicals are chemical products derived from petroleum. Some chemical compounds made from petroleum are also obtained from other fossil fuels, such as coal or natural gas, or renewable sources such as corn or sugar cane. The two most common petrochemical classes are olefins (including ethylene and propylene) and aromatics (including benzene, ...
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http://en.wikipedia.org/wiki/Petrochemical
in the strictest sense, any of a large group of chemicals (as distinct from fuels) derived from petroleum and natural gas and used for a variety of ... [6 related articles]
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http://www.britannica.com/eb/a-z/p/51
An organic compound that has been derived from petroleum or natural gas.
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http://www.chemicalglossary.net/definition/1343-Petrochemical
Any chemical made from petroleum or natural gas, including all organic chemicals, plus the inorganic substances carbon black, sulfur, ammonia, and hydrogen peroxide, thus obtained. Polymers, detergents, solvents, and nitrogen fertilizers are major products.
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http://www.daviddarling.info/encyclopedia/P/petrochemical.html
substances derived from the winning of fossil hydrocarbons, in the form of crude oil or natural gas, and tars.
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http://www.encyclo.co.uk/local/20722
Any chemical substance derived from crude oil or its products, or from natural gas. Some petrochemical products may be identical to others produced from other raw materials such as coal and producer gas.
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http://www.encyclo.co.uk/local/21121
chemical derived from oil and natural gas;
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http://www.encyclo.co.uk/visitor-contributions.php
[
n] - any compound obtained from petroleum or natural gas
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http://www.webdictionary.co.uk/definition.php?query=petrochemical
noun any compound obtained from petroleum or natural gas
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https://www.encyclo.co.uk/local/20974
Chemical derived from the processing of petroleum (crude oil). Petrochemical industries are those that obtain their raw materials from the processing of petroleum and natural gas. Polymers, detergents, solvents, and nitrogen fertilizers are all major products of the petrochemical industries. Inorganic chemical products include carbon black, sulphur...
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https://www.encyclo.co.uk/local/21221
No exact match found.
