Definitions

1. verb

to harden or become hardened, especially by exposure to cold, heat, or moisture

“The metal indurated quickly when it was exposed to the scorching desert sun.”

2. verb

to make or become hardened, especially in one’s attitudes or emotions

“His experiences had indurated his heart to the plight of the homeless.”

3. noun

the act of becoming hardened

“The induration of the metal was a sign of its poor quality.”