Definition of chemoautotroph in English:

chemoautotroph

Syllabification: che·mo·au·to·troph
Pronunciation: /ˌkēmōˈôtəˌtrōf, ˌkemō-
 
/

noun

Biology
  • An organism, typically a bacterium, that derives energy from the oxidation of inorganic compounds.
    More example sentences
    • 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.
    • The reaction pathways that these chemoautotrophs employ involve the reduction of inorganic carbon compounds to form organic compounds, which include their biomolecules.
    • While chemoautotrophs are uncommon, photoautotrophs are common and quite diverse.

Derivatives

chemoautotrophic

Pronunciation: /-ˌôtəˈtrōfik/
adjective
More example sentences
  • These resemble the foot of some specialized bivalves (Solemya or Lucina) used to penetrate putrid sediment to release H 2 S consumed by symbiotic chemoautotrophic bacteria.
  • They evolved towards sessile life possibly in symbiosis with photo- or chemoautotrophic microorganisms.
  • ‘Our synthesis of ammonia may serve as a model for a primordial nitrogen fixing system and conforms well with theories of the chemoautotrophic origin of life,’ say the researchers.

chemoautotrophy

Pronunciation: /-ˈôtəˌtrōfē/
noun
More example sentences
  • Nitrifying bacteria are capable of chemoautotrophy.
  • In anoxic bank sediments, respiration was also much greater than chemoautotrophy, but was entirely anaerobic.

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a small amount; a little