photo-autotroph

photoautotroph

[foh-toh-aw-tuh-trof, -trohf]
noun Biology.
any organism that derives its energy for food synthesis from light and is capable of using carbon dioxide as its principal source of carbon.

Origin:
1945–50; photo- + autotroph

photoautotrophic, adjective
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American Heritage
Science Dictionary
photoautotroph   (fō'tō-ô'tə-trŏf', -trōf')  Pronunciation Key 
See phototroph.
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