Caseharden
[keis,hɑ:dn]
Definition
(v. t.) To subject to a process which converts the surface of iron into steel.
(v. t.) To render insensible to good influences.
Typist: Mag
Synonyms and Synonymous
v. a. Harden (on the outside), steel, convert into steel (on the surface).
Checker: Myrna