coal gas

ریشه

The word 'coal' comes from the Old English word 'col', which is derived from the Proto-Germanic word 'kulą'. The word 'gas' comes from the Dutch word 'gas', which means 'vapor'.

مثال

• Coal gas was commonly used for street lighting in the 19th century.
• The coal gas provided heat for cooking and heating.
• The invention of natural gas led to a decline in the use of coal gas.

ترکیب‌های رایج

Coal gas Coal gas lighting Coal gas production Coal gas storage