| NOUN | substance | orthophosphate, phosphate, inorganic phosphate | a salt of phosphoric acid |
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| Meaning | A salt of phosphoric acid. | |
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| Synonyms | phosphate, inorganic phosphate | |
| Narrower | calcium phosphate | A phosphate of calcium |
| sodium phosphate, sodium orthophosphate | phosphate of sodium | |
| Broader | salt | A compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal) |