Definitions

1. verb

to harden or strengthen the surface of metal by heating it in the presence of carbon, especially to make it resistant to wear and tear.

“The manufacturing process casehardened the steel to improve its durability.”

2. noun

the process of hardening or strengthening the surface of metal by heating it in the presence of carbon.

“The new manufacturing technique involved a combination of casehardening and heat treatment to achieve the desired properties.”