| 单词 | superphosphate |
| 释义 | superphosphate /sooh'peuhr fos"fayt/, n. Chem. 1. Also called acid phosphate. a mixture of calcium acid phosphate and calcium sulfate prepared by treating phosphate rock with sulfuric acid: used chiefly as a fertilizer. 2. Also called triple superphosphate. a mixture prepared with phosphoric acid and containing about 45 percent of soluble phosphates, used as a fertilizer. [1790-1800; SUPER- + PHOSPHATE] |
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