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
Insoluble South Carolina phosphate rock produced a higher total average yield than dissolved South Carolina rock.'
From The Story of the Soil; from the Basis of Absolute Science and Real Life, by Cyril G. (Cyril George) Hopkins
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.