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Webster 1913 Edition
Superphosphate
Suˊper-phos′phate
,Noun.
(Chem.)
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,
Ca3(PO4)2
, is changed to the primary or acid calcium phosphate Ca(H2PO4)2
, which is soluble and therefore available for the soil.Definition 2024
Superphosphate
superphosphate
superphosphate
See also: Superphosphate
English
Noun
superphosphate (countable and uncountable, plural superphosphates)
- A fertilizer produced by the action of concentrated sulfuric acid on powdered phosphate rock.