| 单词 | mercury |
| 释义 | mercury n. 1. Chem. a silvery-white heavy liquid metallic element occurring naturally in cinnabar and used in barometers, thermometers, and amalgams; quicksilver. Usage Symb.: Hg. 2. (Mercury) the planet nearest to the sun. 3. any plant of the genus Mercurialis, esp. M. perenne. Phrases and idioms mercury vapour lamp a lamp in which light is produced by an electric discharge through mercury vapour. Derivatives mercuric adj. mercurous adj. Etymology: ME f. L Mercurius messenger of the gods and god of traders f. merx mercis merchandise |
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