/floor ap"euh tuyt', flawr-, flohr-/ , n.
a crystalline mineral, Ca 5 (PO 4 ) 3 F, formed from hydroxyapatite in the presence of fluoride, that has a hardening effect on bones and teeth.
[ 1880-85; Fluorapatit; see FLUOR-, APATITE ]
/floor ap"euh tuyt', flawr-, flohr-/ , n.
a crystalline mineral, Ca 5 (PO 4 ) 3 F, formed from hydroxyapatite in the presence of fluoride, that has a hardening effect on bones and teeth.
[ 1880-85; Fluorapatit; see FLUOR-, APATITE ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012