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phototroph

 - 3 dictionary results

pho⋅to⋅troph

  [foh-tuh-trof, -trohf]
–noun Biology.
any organism that uses light as its principal source of energy.
Use phototroph in a Sentence
Origin:
1940–45; photo- + -troph

Related forms:
pho⋅to⋅troph⋅ic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2010.
Cite This Source Link To phototroph
pho·to·troph   (fō'tə-trŏf', -trōf')   
n.  A photoautotroph.

[photo- + Greek trophē, nourishment.]
pho'to·troph'ic adj., pho'to·troph'i·cal·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
phototroph   (fō'tə-trŏf')  Pronunciation Key 
An organism that manufactures its own food from inorganic substances using light for energy. Green plants, certain algae, and photosynthetic bacteria are phototrophs. Also called photoautotroph.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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