1. A reference to the nourishment of organs of the body: In biology class, Sam learned about organotrophic sources of nutrition that were important for all parts of a person's body.
2. Descriptive of a lifeform that derives energy from the oxidation of organic compounds: Such organotrophic organisms can be bacteria, mushrooms, and animals

An organotrophic can be a microorganism that uses organic sources as a reducing power.

1. A reference to organisms that obtain energy from oxidation/reduction reactions and use organic electron donors; chemoheterotrophic.
2. An organism that depends on organic chemicals for its energy and carbon.