Main Entry: calcium phosphate

Function: noun

Date: 1869

: any of various phosphates of calcium: as a : the phosphate CaH₄P₂O₈ used as a fertilizer and in baking powder b : the phosphate CaHPO₄ used in pharmaceutical preparations and animal feeds c : the phosphate Ca₃P₂O₈ used as a fertilizer d : the naturally occurring phosphate Ca₅(F,Cl,OH,¹⁄₂CO₃)(PO₄)₃ that contains other elements or radicals and is the chief constituent of phosphate rock, bones, and teeth