| 单词 | alum glass |
| 释义 | > as lemmasalum glass alum glass n. [compare Anglo-Norman alum de glace, alun de glas, Middle French alun de glace, lit. ‘ice alum’ (c1300 in Old French as alun de glache) and also Anglo-Norman alomglas (c1325); compare further (after French) Middle Dutch aluun van glaetse (end of the 13th cent.)] now rare (a) a glassy form of alum produced esp. by evaporating an aqueous solution (now historical); (b) a kind of glass containing alumina. ΘΚΠ the world > matter > chemistry > chemical substances > salts > [noun] > alums > types > others roche1381 alum glassc1405 Carlsbad salts1895 Vichy salts1960 c1405Alumglas [see sense 1]. c1425 tr. J. Arderne Treat. Fistula (Sloane 6) (1910) 81 Alum zucaryne is called comonly alumglasse. a1475 in J. O. Halliwell Early Eng. Misc. (1855) 78 j di. of alome glas melte into clere water. 1860 C. Knight Eng. Cycl.: Arts & Sci. IV. 395 There is a peculiar mode of producing imitative rubies and emeralds by the use of a kind of alum-glass. 1894 Metal Worker 3 Feb. 27/1 Mr. Zsigmondy..had glass made containing a large per cent. of alumina..the results showed a much greater amount of heat cut off by the alum glass than by ordinary glass. 1920 A. H. Fay Gloss. Mining & Mineral Industry Alum glass, crystallized alum. 2006 Times 20 May 33 They made a 6m-long sculpture of the whale's skeleton that they then encrusted with alum glass. < 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。