trophic
/ˈtrɒfɪk/adjective
1- Ecology of or relating to feeding and nutrition【生态】（与）摄食和营养（有关）的。
1.1
- Physiology (of a hormone or its effect) stimulating the activity of another endocrine gland【生理】（激素或其作用）向性的, 刺激另一内分泌腺活动的。
词源
late 19th cent.: from Greek trophikos, from trophē 'nourishment', from trephein 'nourish'.