| 单词 | palladium |
| 释义 | palladium 1. n. Chem. a white ductile metallic element occurring naturally in various ores and used in chemistry as a catalyst and for making jewellery. Usage Symb.: Pd. Etymology: mod.L f. Pallas, an asteroid discovered (1803) just before the element, + -IUM; cf. CERIUM 2. n. (pl. palladia) a safeguard or source of protection. Etymology: ME f. L f. Gk palladion image of Pallas (Athene), a protecting deity |
| 随便看 |
英语词典包含43808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。