The Collaborative International Dictionary
Indurating
Indurate \In"du*rate\, v. t. [imp. & p. p. Indurated; p. pr. & vb. n. Indurating.]
To make hard; as, extreme heat indurates clay; some fossils are indurated by exposure to the air.
To make unfeeling; to deprive of sensibility; to render obdurate.
Wiktionary
indurating
vb. (present participle of indurate English)