superphosphate
Americannoun
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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.
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Also called triple superphosphate. a mixture prepared with phosphoric acid and containing about 45 percent of soluble phosphates, used as a fertilizer.
noun
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a mixture of the diacid calcium salt of orthophosphoric acid Ca(H 2 PO 4 ) 2 with calcium sulphate and small quantities of other phosphates: used as a fertilizer
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a salt of phosphoric acid formed by incompletely replacing its acidic hydrogen atoms; acid phosphate; hydrogen phosphate
Etymology
Origin of superphosphate
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.
Do you have any idea how much aerial topdressing with superphosphate costs?
From Nature • Oct. 12, 2011
The computer is telling me that an application of superphosphate between crops would be advantageous.”
From Nature • Oct. 12, 2011
Last year, led by 26 companies each with assets over $1.000,000 more than 4,000 companies great & small produced about $1,500,000.000 worth of chemicals � excluding soap, paper, petroleum refinements, paint, varnish, superphosphate fertilizer.
From Time Magazine Archive
The Vinh-yen and Phutho plants produce superphosphate fertilizers essential to Ho's farms.
From Time Magazine Archive
In fact, spring-sown crops, as a rule, benefit more from superphosphate than autumn-sown crops.
From Manures and the principles of manuring by Aikman, Charles Morton
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.
