bone ash
Noun
Meaning
ash left when bones burn; high in calcium phosphate; used as fertilizer and in bone china
Source: WordNetAlternative names
bone-ash
Synonyms
ash
bone meal
bone fines
bone flour
bone fragments
bone granules
powdered bone
bone chips
bone crumbles
bone debris
bone grit
bone particles
bone powder
bone remnants
bone residue
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Hypernyms
Examples
In 1769 Johan Gottlieb Gahn and Carl Wilhelm Scheele showed that calcium phosphate ( Camain (POmain )main ) is found in bones, and they obtained elemental phosphorus from bone ash.
This used bone ash for a phosphate source, as described above.