-trophic

1. Used to form adjectives corresponding to nouns ending in -trophy

Usage notes

Frequently confused with *[\-tro@@p@@ic](https://en.wiktionary.org/wiki/-tropic#English "-tropic")* (“turning or changing”), which is instead from [Ancient Greek](https://en.wikipedia.org/wiki/Ancient_Greek "w:Ancient Greek") *[τροπικός](https://en.wiktionary.org/wiki/%CF%84%CF%81%CE%BF%CF%80%CE%B9%CE%BA%CF%8C%CF%82#Ancient_Greek "τροπικός")* (tropikós, “of or pertaining to a turn or change; or the solstice; or a trope or figure; tropic; tropical; etc.”), from *[τροπή](https://en.wiktionary.org/wiki/%CF%84%CF%81%CE%BF%CF%80%CE%AE#Ancient_Greek "τροπή")* (tropḗ, “turn; solstice; trope”).^[1]^ Compare [trophic hormone](https://en.wikipedia.org/wiki/trophic_hormone "wikipedia:trophic hormone") (affects growth) and [tropic hormone](https://en.wikipedia.org/wiki/tropic_hormone "wikipedia:tropic hormone") (drives other glands) and *[tropho\-](https://en.wiktionary.org/wiki/tropho-#English "tropho-")*/*[tropo\-](https://en.wiktionary.org/wiki/tropo-#English "tropo-")*.