• (n.) An acid phosphate.
Found on
http://thinkexist.com/dictionary/meaning/superphosphate/
(from the article `chemical industry`) Of the large world production of sulfuric acid, almost half goes to the manufacture of superphosphate and related fertilizers. Other uses of the acid ...
Found on
http://www.britannica.com/eb/a-z/s/188
<chemistry> An acid phosphate. ... <chemistry> Superphosphate of lime, a fertiliser obtained by trating bone dust, bone black, or phosphorite with sulphuric acid, whereby the insoluble neutral calcium phosphate, Ca3(PO4)2, is changed to the primary or acid calcium phosphate Ca(H2PO4)2, which is soluble and therefore available for the so...
Found on
http://www.encyclo.co.uk/local/20973
Su`per·phos'phate noun (Chemistry) An acid phosphate. Superphosphate of lime (Com. Chem.) , a fertilizer obtained by trating bone dust, bone black, or phosphorite with sulphuric acid, whereby the insoluble neutral calcium phosphate, Ca 3 (PO 4 ) 2
Found on
http://www.encyclo.co.uk/webster/S/243
Superphosphate is a manure made by mixing calcium hydrogen phosphate with gypsum.
Found on
http://www.probertencyclopaedia.com/browse/GS.HTM
superphosphate 1. A phosphate containing an excess of phosphoric acid; an acid phosphate. 2. Full superphosphate of lime: an impure superphosphate of lime prepared by treating bones, coprolites, etc. with sulphuric acid, and used as a manure.
Found on
http://www.wordinfo.info/words/index/info/view_unit/2616/2
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