photoautotroph

[ foh-toh-aw-tuh-trof, -trohf ]
/ ˌfoʊ toʊˈɔ təˌtrɒf, -ˌtroʊf /

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.

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Origin of photoautotroph

First recorded in 1945–50; photo- + autotroph

OTHER WORDS FROM photoautotroph

pho·to·au·to·troph·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Scientific definitions for photoautotroph

photoautotroph
[ fō′tō-ôtə-trŏf′, -trōf′ ]

See phototroph.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.