also Tricalcium, a. Chem. [f. TRI- 5 b + CALCIC, CALCIUM.] Applied to a salt containing three atoms of calcium; e.g., tricalcic or tricalcium phosphate, Ca3(PO4)2, a salt of calcium and orthophosphoric acid, H3PO4.
1871. Valentin, Pract. Chem., 147. Hydric disodic phosphate gives a bulky white precipitate of tricalcic phosphate.
1876. Harley, Royle’s Mat. Med., 61. The ashes of bones … consist chiefly of tricalcic phosphate.
1911. Jrnl. Chem. Soc., C. II. 396. Action of a solution of Sodium hydroxide on Tricalcium phosphate.
