‖ putredoObs.|pjuːˈtriːdəʊ| [Late L. putrēdo rottenness, putridity, f.putrēre to rot: cf.torpēdof.torpēre.] Putrefaction; spec. in Path., hospital gangrene (Syd. Soc.Lex.). 1704F. Fuller Med. Gymn. (1718) 161 Accounting for things by Occult Qualities, Putredo's and the like.