a combining form used in the formation of nouns with the general sense "nutrient matter" ( embryotroph ), "an organism with given nutritional requirements" ( heterotroph ); also forming concrete nouns corresponding to abstract nouns ending in -trophy or adjectives ending in -trophic .
-TROPH
Meaning of -TROPH in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012