calcify

(kalsə fī′)

transitive verb, intransitive verb calcified, calcifying

to change into a hard, stony substance by the deposit of lime or calcium salts

Origin: calci- + -fy

See calcify in American Heritage Dictionary 4

tr. & intr.v. cal·ci·fied, cal·ci·fy·ing, cal·ci·fies
  1. To make or become stony or chalky by deposition of calcium salts.
  2. To make or become inflexible and unchanging.

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