promessionEtymologyCoined by Swedish biologist Susanne Wiigh-Mäsak, developer of the process, who derived it from Italian promessa (“promise”).promession means The disposal of human remains by freeze-drying. Lexicurio rates it Rare gem — a strength score of 75 out of 100.nounThe disposal of human remains by freeze-drying.“Promession ensures that a body will produce rich, nourishing soil within a year's time.”