Definition of trophic in English:


Pronunciation /ˈtrəʊfɪk//ˈtrɒfɪk/


  • 1Ecology
    Relating to feeding and nutrition.

    • ‘In rare cases, mothers feed trophic eggs to their tadpoles.’
    • ‘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.’
    • ‘The hypothesis that all sampled species form a homogeneous trophic group feeding, ‘on average,’ on the same food sources also was rejected.’
    • ‘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.’
  • 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.’
    • ‘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.’
    • ‘A highly conserved feature is that the cells of all glands respond to their respective, regulatory tropic hormone with an increase in cyclic nucleotide.’
    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’.