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Definition of Autotrophy
1. [n -PHIES]
Medical Definition of Autotrophy
1. The state of being self-sustaining and being able to produce food from inorganic compounds. Carbon autotrophy, ability to assimilate CO2 from the air. Nitrogen autotrophy, ability to assimilate nitrate or to do nitrogen fixation. Sulfur autotrophy, ability to assimilate sulfate. (05 Mar 2000)