ˌkalsəfə̇ˈkāshən noun
( -s )
Etymology: from calcify, after such pairs as English ossify: ossification
1. : impregnation with calcareous matter: as
a. : deposition of calcium salts within the matrix of cartilage often as the preliminary step in the formation of bone — compare ossification
b. : abnormal deposition of calcium salts within tissue
calcification of a tuberculosis focus in the lung
c. : accumulation or deposition of calcium and magnesium carbonates at a level in the soil profile approximating the depth to which most of the water percolates
2. : a calcified structure or part
the lung X rays clearly showed the calcification