Reductive

Toki Pona is reductive.

On the relative reductive powers of different classes of American coals, as demonstrated by the experiments with oxide of lead.

It is likely that the long evolutionary trajectory of Mycoplasma went from a reductive autotroph to oxidative heterotroph to a cell-wall–defective degenerate parasite. This evolutionary trajectory assumes the simplicity to complexity route of biogenesis, a point of view that is not universally accepted.

But then beside the primary and direct sense of the text, the ancients commonly supposed that there was a reductive or anagogical meaning, in which it might be taken.