cal ‧ ci ‧ fy /ˈkælsəfaɪ, ˈkælsɪfaɪ/ BrE AmE verb ( past tense and past participle calcified , present participle calcifying , third person singular calcifies ) [intransitive and transitive]
[ Date: 1800-1900 ; Language: Latin ; Origin: calx ; ⇨ ↑ chalk 1 ]
technical to become hard, or make something hard, by adding ↑ lime