indurating

/IH0 N D ER0 EY0 T IH0 NG/
verb
  1. 1

    To harden or to grow hard.

  2. 2

    To make callous or unfeeling.

  3. 3

    To inure; to strengthen; to make hardy or robust.

Synonyms

Source: https://en.wiktionary.org/wiki/indurate, https://en.wiktionary.org/wiki/indurating