• (n.) The removal of calcareous matter.
The loss of calcium from your teeth. This weakens your teeth and makes them more succeptable to decay.
The loss of calcium from your teeth, weakening the teeth and making them more susceptible to decay
The loss of calcium from teeth. This weakens the teeth and makes them more susceptible to decay.
<dentistry> The loss of calcium from your teeth. This weakens your teeth and makes them more susceptible to decay ... (08 Jan 1998) ... 
(de-kal″sĭ-fĭ-ka´shәn) the process of removing calcareous matter. the loss of calcium salts from bones or teeth. Decalcified teeth are discolored, chalky, and easily fractured.
De·cal`ci·fi·ca'tion noun The removal of calcareous matter. 
Type: Term Pronunciation: dē′kal-si-fi-kā′shŭn Definitions: 1. Removal of lime or calcium salts, chiefly tricalcium phosphate, from bones and teeth, either in vitro or in vivo as a result of a pathologic process. 2. Precipitation of calcium from blood as by oxalate or fluoride, or the conversion of blood calcium to an un-...
[n] - loss of calcium from bones or teeth
noun loss of calcium from bones or teeth
the act or process of decalcifying. · the loss of calcium or calcium compounds, as from bone or soil.