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.
autotroph au·to·troph (ô’tə-trŏf’, -trōf’)
An organism capable of synthesizing its own food from inorganic substances using light or chemical energy. Green plants, algae, and certain bacteria are autotrophs.
au’to·troph’ic (-trŏf’ĭk, -trō’fĭk) adj.
An organism that manufactures its own food from inorganic substances, such as carbon dioxide and ammonia. Most autotrophs, such as green plants, certain algae, and photosynthetic bacteria, use light for energy. Some autotrophs, such as chemosynthetic bacteria, obtain their energy from inorganic compounds such as hydrogen sulfide by combining them with oxygen. Compare heterotroph.
autotrophic adjective (ô’tə-trŏf’ĭk, -trō’fĭk)
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. Historical Examples But the general significance of the term “autotrophic plants” is apparent. The Chemistry of Plant Life Roscoe Wilfred Thatcher adjective (of […]
noun a software package that automatically manipulates a recording of a vocal track until it is in tune regardless of whether or not the original performance was in tune Contemporary Examples But, unfortunately, their loyal audience quickly learned these auto mechanics might need some lessons in autotune. ‘Car Talk’ Hosts to Retire: Best Moments With […]
autovaccination autovaccination au·to·vac·ci·na·tion (ô’tō-vāk’sə-nā’shən) n. Revaccination of an individual using vaccine obtained from that individual.
noun (photog) a battery-operated device for advancing the film in a camera automatically after each exposure Compare motor drive