calcification

noun

1. (countable, uncountable)The process of change into a stony or calcareous substance by the deposition of lime salt; normally, as in the formation of bone and of teeth; abnormally, as in the calcareous degeneration of tissue.

   “An examination of the tooth shows a beautiful specimen of calcification of the dental pulp.”

   “It was all coming at her now: the fatigue and the fever; pieces of her lung splintering and mixing with her throwup; the calcifications on her bones, where the disease had already spread.”