cal·ci·fy \ˈkalsəˌfī\verb (-ed/-ing/-es) Etymology:calc- + -fy transitive verb 1.: to make calcareous by deposit or secretion of calcium salts 2.: to make inflexible or unchangeable : fix < calcify the state of things as they are — Fortune > intransitive verb 1.: to become calcareous 2.: to become inflexible and changeless : become fixed : harden