Definition of chemosynthesis in English:



mass nounBiology
  • The synthesis of organic compounds by bacteria or other living organisms using energy derived from reactions involving inorganic chemicals, typically in the absence of sunlight.

    • ‘In the darkness at these depths, chemosynthesis takes the place of photosynthesis - the trapping of energy in sunlight by plants.’
    • ‘It turned out that at the base of the food chain were bacteria that nourished themselves through a process of chemosynthesis.’
    • ‘These so-called chemoautotrophs use the stored energy of certain chemicals [usually sulfides such as hydrogen sulfide or iron sulfide (FeS 2)] to drive chemosynthesis.’
    • ‘It turned out that the hydrogen sulphide rising from the sea floor vents produced a process called chemosynthesis; the basis of the food chain.’
    • ‘Ahh, looks like I might have been thinking of chemosynthesis.’



/ˌkiːmə(ʊ)ˈsɪnθɪsɪs/ /ˌkɛmə(ʊ)ˈsɪnθɪsɪs/