Definition of heterotroph in English:

heterotroph

noun

Biology
  • An organism deriving its nutritional requirements from complex organic substances.

    Compare with autotroph
    • ‘This photosynthetic control of cell-cycle progression is similar to the nutritional control of heterotrophs.’
    • ‘Animals, on the other hand, are heterotrophs, life forms that depend on the consumption of plants, animals or both in order to meet their bioenergetic requirements.’
    • ‘Unlike plants, animals are heterotrophs which means they are unable to live on inorganic nutrients alone.’
    • ‘Classified by the source of their energy, bacteria fall into two categories: heterotrophs and autotrophs.’
    • ‘The result, especially when heterotrophs are preyed upon by other heterotrophs, is a food chain.’

Origin

Early 20th century: from hetero- other + Greek trophos feeder.

Pronunciation:

heterotroph

/hɛt(ə)rə(ʊ)ˈtrɒf//ˈhɛt(ə)rə(ʊ)trəʊf/