资料来源 : pyDict

除石灰质作用; 脱钙; 去钙作用

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Decalcification \De*cal`ci*fi*ca"tion\, n.
   The removal of calcareous matter.

资料来源 : WordNet®

decalcification
     n : loss of calcium from bones or teeth