Petrochemical (noun)

1. A chemical substance derived from petroleum or natural gas, used as raw material in various industrial processes.
2. An industry that produces chemicals, plastics, and other products from petroleum and natural gas.

Origin:

The word 'petrochemical' is derived from the greek word 'petros' meaning 'rock' or 'stone' and the word 'chemical' meaning 'related to chemistry'. it has been in use in english since the 20th century.

Examples:

1. The petrochemical plant produced a variety of products including plastics, resins, and synthetic fibers.
2. The petrochemical industry was a major contributor to the country's economy, generating billions of dollars in revenue.
3. The researcher studied the environmental impact of petrochemical products, investigating their effects on air and water quality.
4. The petrochemical products were used in the production of consumer goods such as detergents, cosmetics, and packaging materials.
5. The chemist developed new processes for converting petrochemical feedstocks into high-value products, improving efficiency and reducing waste.