Skip to Content


Pronunciation: aw′tō-trōf

Definition: A microorganism that uses only inorganic materials as its source of nutrients; carbon dioxide is the autotroph's sole carbon source.

[auto- + G. trophē, nourishment]

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.