Definition of chemoautotroph in English:

chemoautotroph

noun

Biology
  • An organism, typically a bacterium, that derives energy from the oxidation of inorganic compounds.

    • ‘The reaction pathways that these chemoautotrophs employ involve the reduction of inorganic carbon compounds to form organic compounds, which include their biomolecules.’
    • ‘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.’
    • ‘While chemoautotrophs are uncommon, photoautotrophs are common and quite diverse.’

Pronunciation:

chemoautotroph

/ˌkēmōˈôtəˌtrōf//ˌkemō-/