- hardening, solidifying, solidification, set, curing - the process of becoming hard or solid by cooling or drying or crystallization; "the hardening of concrete"; "he tested the set of the glue"
--1 is a kind of natural process, natural action, action, activity
--1 is a part of plastination
--1 has particulars: congealment, congelationDerived forms: verb solidify1, verb solidify2