trophicity
tro·phic·i·ty
(trō-fis'i-tē),trophicity
An older term for the innate mechanisms operational in an organism—i.e., its physiology—by which it replenishes depleted nutrients (i.e., homeostasis).Modern equivalents of the term trophicity would depend on context, they might include physiology, homeostasis, nutrition and trophism.