bone ash

bone ash
a white ash obtained by calcining bones, used as a fertilizer and in the making of bone china. Also called bone earth.

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Universalium. 2010.

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  • Bone ash — Ash Ash, n., sing. of {Ashes}. [1913 Webster] Note: Ash is rarely used in the singular except in connection with chemical or geological products; as, soda ash, coal which yields a red ash, etc., or as a qualifying or combining word; as, ash bin,… …   The Collaborative International Dictionary of English

  • Bone ash — is the white, powdery ash left from the burning (calcination) of bones. It is primarily composed of calcium phosphate. It is commonly used in fertilizers, polishing compounds, and in making ceramics (such as bone china). It also has historical… …   Wikipedia

  • Bone ash — Bone Bone (b[=o]n; 110), n. [OE. bon, ban, AS. b[=a]n; akin to Icel. bein, Sw. ben, Dan. & D. been, G. bein bone, leg; cf. Icel. beinn straight.] 1. (Anat.) The hard, calcified tissue of the skeleton of vertebrate animals, consisting very largely …   The Collaborative International Dictionary of English

  • bone ash — n. a white porous ash prepared by burning bones in the open air and consisting chiefly of calcium phosphate: used in making bone china and in fertilizers: also bone earth …   English World dictionary

  • bone ash — bone′ ash n. chem. cer a white ash obtained by calcining bones, used as a fertilizer and in the making of bone china • Etymology: 1615–25 …   From formal English to slang

  • bone ash — noun ash left when bones burn; high in calcium phosphate; used as fertilizer and in bone china • Hypernyms: ↑ash * * * noun : the white porous residue containing chiefly tribasic calcium phosphate from bones calcined in air and used especially in …   Useful english dictionary

  • bone-ash cup — noun a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead • Syn: ↑cupel, ↑refractory pot • Hypernyms: ↑vessel …   Useful english dictionary

  • bone ash — noun The white, powdery ash left when bone is burnt; it is high in calcium phosphate and is used as a fertilizer and in making bone china …   Wiktionary

  • bone ash — /ˈboʊn æʃ/ (say bohn ash) noun the remains of bones calcined in the air. Also, bone earth …  

  • bone-ash — n. Bone earth, burnt bones, earthy matter of bones …   New dictionary of synonyms

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