单词	cupellation
释义	cupellation noun cu·​pel·​la·​tion ˌkyü-pə-ˈlā-shən  -ˌpe- : refinement (as of gold or silver) in a cupel by exposure to high temperature in a blast of air by which the unwanted metals are oxidized Example Sentences Recent Examples on the Web The invention of cupellation some 3,000 years later allowed people to separate silver and gold from impure metals, releasing elements like copper, tin and lead, which became partly vaporized. Livia Gershon, Smithsonian Magazine, 17 Aug. 2021 As Rossella Tercatin reports for the Jerusalem Post, the team found that bones at the site started showing traces of pollution about 5,000 years ago, around the time people first began refining metals through a process known as cupellation. Livia Gershon, Smithsonian Magazine, 17 Aug. 2021 Word History First Known Use circa 1691, in the meaning defined above
随便看	havildar havildar major havildars having having a fit having a go at having a grip on having a soft spot for having against having at having done having done (with) having done with having it in for having on having one's eye on having over having said that having sex having to do with having with havings havior haviors haviour

英语词典包含469781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。