n. In theology, the consensus of views of some of the early fathers in regard to the eucharist, favoring an objective union of the sensible with the supersensible, or the real with the symbolical presence.n. In poetry, a change from one meter into another.n. In entomology, metamorphosis; transformation; metaboly; transition from larva to pupa, or from pupa to imago.n. In biology: The sum of the chemical changes within the body, or within any single cell of the body, by which the protoplasm is either renewed or changed to perform special functions, or else disorganized and prepared for excretion.n. Especially, retrograde metamorphosis; catabolism.