photoautotroph(redirected from photoautotrophically)
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An organism that depends solely on light for its energy and principally on carbon dioxide for its carbon. Compare: photoheterotroph, photolithotroph, phototroph.
[photo- + G. autos, self, + trophē, nourishment]
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The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
photoautotropha type of AUTOTROPH that uses light as an energy source to synthesize organic compounds from inorganic materials. Green plants are photoautotrophs.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005