Meaning of autotroph
Pronunciation: (ô'tu-trof", -trōf"), [key]
— n. Biol.
- any organism capable of self-nourishment by using inorganic materials as a source of nutrients and using photosynthesis or chemosynthesis as a source of energy, as most plants and certain bacteria and protists. Cf. heterotroph.
- autotroph (Thesaurus)