Share this entry
trophic Line breaks: troph¦ic
Pronunciation: /ˈtrəʊfɪk/

Definition of trophic in English:


1 Ecology Relating to feeding and nutrition.
Example sentences
  • We also combined taxa into four functional groups based on known trophic positions and feeding preferences: primary producers, herbivores, bacterivores, or predators.
  • The hypothesis that all sampled species form a homogeneous trophic group feeding, ‘on average,’ on the same food sources also was rejected.
  • The direct effects of plant quality on omnivores is, therefore, likely to induce a trophic cascade whereby plant feeding by the omnivore ultimately benefits the plant.
2 (also tropic) Physiology (Of a hormone or its effect) stimulating the activity of another endocrine gland.
Example sentences
  • The trophic hormones act to stimulate secretion of hormone from the target gland and to maintain its function and, if present in high concentrations, will cause the gland to enlarge.
  • Furthermore, medical treatments for endometriosis act in a variety of ways to abolish the trophic effect of oestradiol on both the eutopic and ectopic endometrium.
  • A highly conserved feature is that the cells of all glands respond to their respective, regulatory tropic hormone with an increase in cyclic nucleotide.


Late 19th century: from Greek trophikos, from trophē 'nourishment', from trephein 'nourish'.

Words that rhyme with trophic

catastrophic, dystrophic, philosophic, strophic, theosophic
Definition of trophic in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources