etidronate
noun
et·i·dro·nate ˌē-tə-ˈdrō-ˌnāt 
ˌe-
ˌe- : a white sodium salt C2H6Na2O7P2 that inhibits the formation, growth, and dissolution of hydroxyapatite crystals and is administered orally in the treatment of some bone diseases (such as Paget's disease of bone)
called also etidronate disodium
Word History
Etymology
etidronic acid (of which etidronate is a salt), perhaps from ethylidene (the radical CH3CH) + hydr- + phosphonic acid (an acid obtained from phosphine)
First Known Use
1971, in the meaning defined above
Medical Definition
etidronate
noun
et·i·dro·nate ˌēt-ə-ˈdrō-ˌnāt ˌet-
ˌet- : a white disodium bisphosphonate salt C2H6Na2O7P2 that inhibits the formation, growth, and dissolution of hydroxyapatite crystals and is used especially to treat Paget's disease of bone and to prevent or treat heterotopic ossification (as that associated with hip-replacement surgery)
called also etidronate disodium
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