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 (fō′tə-trŏf′, -trōf′)
An organism that is capable of using light energy to synthesize sugars and other organic molecules from carbon dioxide. Green plants, algae, and cyanobacteria are phototrophs. Also called photoautotroph.

pho′to·troph′ic adj.
pho′to·troph′i·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Biology) an organism that obtains energy from sunlight for the synthesis of organic compounds
phototrophic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈfoʊ təˌtrɒf, -ˌtroʊf)

any organism that uses light as its principal source of energy.
pho`to•troph′ic, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Algivore or phototroph? Plakobranchus ocellatus (Gastropoda) continuously acquires kleptoplasts and nutrition from multiple algal species in nature.
Being phototroph and not requiring organic matter in cyanobacteria cultivation are economic advantages to cyanobacteria in biological point of view which makes them superior over the other microorganisms.
(3.) Shirakawa, MA, John, VM, Gaylarde, CC, Gaylarde, PM, Gambale, W, "Mould and Phototroph Growth on Masonry Facades After Repainting." Mater.
Phototroph (Chapter 9)--An organism that generates its energy by photophosphorylation.
Although abundant Chloroflexus-type (anoxic phototroph) filaments are visible microscopically at the [O.sub.2]-sulfide interface, anoxygenic photosynthesis accounts for less than 10% of the total carbon fixation rate.