Dictionary.com
definitions
  • synonyms

phototroph

[foh-tuh-trof, -trohf]
See more synonyms for phototroph on Thesaurus.com
noun Biology.
  1. any organism that uses light as its principal source of energy.
Show More

Origin of phototroph

First recorded in 1940–45; photo- + -troph
Related formspho·to·troph·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for phototroph

phototroph

noun
  1. an organism that obtains energy from sunlight for the synthesis of organic compounds
Show More
Derived Formsphototrophic (ˌfəʊtəʊˈtrɒfɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
phototroph in Science

phototroph

[fō′tə-trŏf′]
  1. 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
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.