(adj) of or relating to organisms (as green plants) that can make complex organic nutritive compounds from simple inorganic sources by photosynthesis, Syn.autophytic, Ant.heterotrophic
The Collaborative International Dictionary of English (GCIDE) v.0.53
n. an organism which is autotrophic, i. e., an organism (such as most plants and certain microorganisms) which are capable of synthesizing its own food from simple organic substances, requiring only minerals as nutrients for growth, and using carbonate or carbon dioxide as a source of carbon and simple inorganic nitrogen as a nitrogen source; the energy required is derived from photosynthesis or chemosynthesis. Opposed to heterotroph. See also auxotroph. Syn. -- autophyte, autophytic plant, autotrophic organism. [ WordNet 1.5 + PJC ]
a. [ Auto- + trophic. ] (Plant Physiol.) Capable of self-nourishment; requiring only minerals for growth; using carbonate or carbon dioxide as a source of carbon and simple inorganic nitrogen as a nitrogen source; -- said of all plants in which photosynthetic activity takes place, and certain bacteria. It is opposed to parasitism or saprophytism. [ Webster 1913 Suppl. + WordNet 1.5 ]
2. of or pertaining to an autotroph. [ WordNet 1.5 ]
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