| 单词 | bone ash |
| 释义 | > as lemmasbone ash bone ash n. the white, crumbly residue left after bones have been burnt in contact with air, composed chiefly of calcium phosphate and used in making bone china and as a ceramic flux, fertilizer, etc.In early use chiefly in plural. ΘΚΠ the world > matter > properties of materials > temperature > heat > burning > products of burning > [noun] > ashes or cinders > specific ashes soap-ashes?1520 gravelled ashes1579 bone ash1594 cupel-dusta1626 polverine1662 peat ash1669 kelp1679 clar1683 cupel-ashes1683 wood-ash1748 bone earth1770 kelp-ashes1834 white ash1837 weed ash1841 fly ash1931 1594 H. Plat Jewell House 36 Get a large panne, such as they make their testes of bone ashes in. 1622 G. de Malynes Consuetudo 284 The Assay-master tooke foure copples or teasts, which are made of Bone-ashes. 1707 J. Stanley et al. Let. 12 Apr. in I. Newton Corr. (1967) IV. 485 For the Assay Office..Fine bone ashes one bushel. 1809 W. Nicholson Brit. Encycl. I. at Assaying The above operation is called cupellation, and is performed on a flat round cake of bone ash. 1922 T. M. Lowry Inorg. Chem. xxxiii. 639 Tricalcium diphosphate... The bone ash, prepared by igniting the bones of animals, consists mainly of this substance. 2000 Ceramic Rev. Jan. 42/2 I then began by testing every flux and opacifier on my shelves, barium carbonate, bone ash, calcium borate frit, [etc.]. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。