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autotroph

[aw-tuh-trof, -trohf] /ˈɔ təˌtrɒf, -ˌtroʊf/
noun, Biology
1.
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.
Compare heterotroph.
Origin
1935-1940
1935-40; back formation from autotrophic; see auto-1, trophic
Related forms
autotrophic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for autotroph
  • Green plants, algae, and certain bacteria are autotrophs.
autotroph in Medicine

autotroph au·to·troph (ô'tə-trŏf', -trōf')
n.
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.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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autotroph in Science
autotroph
  (ô'tə-trŏf')   
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)
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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