INDURATION

induration. Induration, n. the act or state of hardening, hardness

---

In′du‐ra″tion (?), n. [[Cf. F. induration, L. induratio hardness of heart.]] 1. 1. The act of hardening, or the process of growing hard.
2. 2. State of being indurated, or of having become hard.
3. 3. Hardness of character, manner, sensibility, etc.; obduracy; stiffness; want of pliancy or feeling.
A certain induration of character had arisen from long habits of business. Coleridge.