demineralization
noun
de·min·er·al·i·za·tion (ˌ)dē-ˌmi-nə-rə-lə-ˈzā-shən 
di-
1
: loss of bodily minerals (such as calcium salts) especially in disease
2
: the process of removing mineral matter or salts (as from water)
demineralize
(ˌ)dē-ˈmi-nə-rə-ˌlīz
transitive verb demineralizer
(ˌ)dē-ˈmi-nə-rə-ˌlī-zər
noun 
Example Sentences
Recent Examples on the Web One aspect of toothpaste that does make a difference though is fluoride, which combats the first stage of tooth decay, called demineralization. 
Claire Ballentine, Bloomberg.com, 24 Sep. 2019
Claire Ballentine, Bloomberg.com, 24 Sep. 2019 Word History
First Known Use
1903, in the meaning defined at sense 1
Medical Definition
demineralization
noun
de·min·er·al·iza·tion
variants also British demineralisation
(ˌ)dē-ˌmin-(ə-)rə-lə-ˈzā-shən
1
: loss of minerals (as salts of calcium) from the body especially in disease
2
: the process of removing mineral matter or salts (as from water)