kasekinenryōdesu
1. Fossil fuels.
Noun
#335881
1. Fossil fuels.
1. fuel
1. fossil
2. petrifaction; petrification
1. nuclear fuel
1. Fuel; Relating to fuel
1. Fossil; Fossilized
1. With fuel; By fuel
1. with fossils; made of fossils
1. Fossil.; It is a fossil.
1. Nuclear fuel; Of nuclear fuel