indurate

verb

1. To harden or to grow hard.

   “The ear, small and shapely, the arch of the foot, the curve in mouth and nostril, even the indurated hand dyed to the orange-tawny of the toucan's bill, a hand telling alike of the halyards and tar-bucket […] all this strangely indicated a lineage in direct contradiction to his lot.”

   “The superficial temporal artery (or arteries) may become exquisitely tender to the touch and visibly indurated.”

2. To make callous or unfeeling.

   “Oh, no ! it is the curse of revolutionary calamities to indurate the heart — the revolutionary impulse is too swift to admit of a pause at the sight of individual misery — the tempest is too loud to hear the wailings of the wretch that perishes beneath its billows […]”

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

   “The afternoon was not particularly warm: our noses and eyes were running; his were dry. He was evidently indurated against natural hardships.”

adj

1. Hardened.

   “The doctor removed a lot of indurate skin from his wound.”

2. Obstinate, unfeeling, callous.

   “Now are they indurate ⁊ tough as Pharao ⁊ will not bow vnto any ryghte waie oꝛ oꝛdꝛe.”