induration

The quality or condition of being hardened.

The act or process of becoming hardened.

The hardening of a normally soft tissue or organ, especially the skin, due to inflammation, infiltration of a neoplasm, or accumulation of blood.

The act of hardening, or the process of growing hard; the state of being indurated or of having become hard.

Hardness of heart; insensibility; obduracy; want of pliancy.