phosphate rock
Americannoun
Etymology
Origin of phosphate rock
First recorded in 1865–70
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It is then converted into sulfuric acid, which reacts with mined phosphate rock to produce phosphoric acid used to make phosphate fertilizers.
From The Wall Street Journal ● Aug. 28, 2026
The processing of phosphate rock into fertiliser emits toxic gases such as sulphur dioxide and ammonia.
From Barron's ● Oct. 10, 2025
Phosphorus predominantly comes from mining phosphate rock sources, of which there are only a relatively small number of sources located in countries like Morocco and Russia.
From Science Daily ● Mar. 25, 2024
Phosphate fertilizer is made from phosphate rock — a non-renewable resource which is rapidly depleting through agricultural use.
From Salon ● Feb. 23, 2023
The foreign exports, chiefly lumber, railway ties, cotton, phosphate rock, and naval stores, were valued at $9,346,704 in 1907; and the imports in 1907 at $116,514.
From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 3 "Fenton, Edward" to "Finistere" by Various
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