Definition of trophic in English:


Pronunciation: /ˈtrɒfɪk//ˈtrəʊfɪk/


  • 1Ecology
    Relating to feeding and nutrition.

    • ‘In rare cases, mothers feed trophic eggs to their tadpoles.’
    • ‘We also combined taxa into four functional groups based on known trophic positions and feeding preferences: primary producers, herbivores, bacterivores, or predators.’
    • ‘This has important ecological implications for trophic responses and estuarine productivity.’
    • ‘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.’
  • 2Physiology
    (of a hormone or its effect) stimulating the activity of another endocrine gland.

    • ‘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.’
    • ‘The remaining hormones reviewed in this chapter are not coupled to tropic neuropeptides, but each has its own regulatory feedback loop that involves the hormone, a plasma component, and a target tissue.’
    • ‘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.’
    • ‘The trigeminal nerve also has an important trophic function maintaining tissue integrity and healing in the eye.’
    restorative, tonic, invigorating, bracing, energizing, restoring, reviving, refreshing, vitalizing, revitalizing, vivifying, revivifying
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Late 19th century: from Greek trophikos, from trophē nourishment, from trephein nourish.