noun

• (medicine) A pathological process in which chronic inflammation or infection causes lung tissue to organize into a fibrous form that resembles meat, which can lead to a loss of normal lung function.
  "Carnification is held to be most common in new-born children; after the fifth year it is comparatively unfrequent in occurrence; whilst in adults it is very rarely met with; but in aged people again becomes more common , though still less so than in early life."
• (medicine, botany) A similar pathological transformation to other types of tissue so that it becomes fibrous and dense.
  "One grade of inflammatory irritation produces carnification or hepatization of the medullary tissue, another grade suppuration, and a still higher degree of inflammatory irritation produces gangrene of that tissue."