[ het-er-uh-trof, -trohf ]
/ ˈhɛt ər əˌtrɒf, -ˌtroʊf /
Biology. an organism requiring organic compounds for its principal source of food.
THIS PSAT VOCABULARY QUIZ IS PERFECT PRACTICE FOR THE REAL TEST
In our third teacher-created PSAT practice test there are new and unique vocabulary terms you may have never heard of! Can you guess what they mean?
Question 1 of 10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Medical definitions for heterotroph
[ hĕt′ər-ə-trŏf′, -trōf′ ]
An organism that cannot synthesize its own food and is dependent upon complex organic substances for nutrition.
Other words from heterotrophhet′er•o•troph′ic (-trŏf′ĭk, -trō′fĭk) adj.het′er•ot′ro•phy (-ə-rŏt′rə-fē) n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for heterotroph
[ hĕt′ər-ə-trŏf′ ]
An organism that cannot manufacture its own food and instead obtains its food and energy by taking in organic substances, usually plant or animal matter. All animals, protozoans, fungi, and most bacteria are heterotrophs. Compare autotroph.
Other words from heterotrophheterotrophic adjective (hĕt′ər-ə-trŏf′ĭk)
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.