noun
chemosynthesis
Scientific term for the synthesis of organic compounds by living organisms using energy from chemical reactions, typically in environments without sunlight.
深海の熱水噴出孔付近では、化学合成を行う細菌が生態系の基盤となっている。
Near deep-sea hydrothermal vents, chemosynthetic bacteria form the foundation of the ecosystem.
光合成 (photosynthesis) uses light energy, while 化学合成 uses chemical energy.
Compound of 化学 (chemistry) and 合成 (synthesis).