| var. of tropho- before a vowel: trophallaxis. |
| 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. |
| a combining form meaning “nourishment,” used in the formation of compound words: trophosome. |
nourishment, food; akin to tréphein to feed, nourish
tropho- or troph-
pref.
Nutrition; nutritive: trophoblast.