COAL

Etymology

The term 'coal' has its origins in Old English 'col,' which is related to Old Norse 'kol' and Middle Low German 'kole.'

Definition

Coal is a black or brownish-black solid combustible substance formed by the partial decomposition of vegetable matter without free access of air and under the influence of moisture and often increased pressure and temperature. It is widely used as a natural fuel.

Historical Context

Coal has been used as a fuel source for centuries, playing a crucial role in the Industrial Revolution and the development of modern societies.

Cultural Significance

Coal mining has been a significant industry in many countries, shaping local economies and communities. The use of coal has also raised environmental concerns due to its impact on air quality and climate change.

Related Concepts

• Fossil Fuels
• Energy Production
• Environmental Impact

See Also

• Natural Gas
• Oil
• Renewable Energy