/ Thesaurus / C Synonyms of calcium phosphate Find synonyms for: Noun1. calcium phosphate, phosphate, orthophosphate, inorganic phosphateusage: a phosphate of calcium; a main constituent of animal bonesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language