化か石せき燃ねん料りょう

noun

fossil fuel

Refers to fuels formed from ancient organic matter, such as coal, oil, and natural gas. Common in environmental and energy contexts.

• 化か石せき燃ねん料りょうの使し用ようを減へらす必ひつ要ようがある。

  We need to reduce the use of fossil fuels.

• この発はつ電でん所しょは化か石せき燃ねん料りょうに依