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photoautotroph

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

noun

Biology.

  1. any organism that derives its energy for food synthesis from light and is capable of using carbon dioxide as its principal source of carbon.

photoautotroph Scientific  
/ fō′tō-ô′tə-trŏf′,-trōf′ /

  1. See phototroph

Other Word Forms

  • photoautotrophic adjective

Etymology

Origin of photoautotroph

First recorded in 1945–50; photo- + autotroph

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.