| 单词 | mercury |
| 释义 | Word Frequency mercury(ˈmɜːkjʊrɪ) nounWord forms: plural -ries 1. Also called: quicksilver, hydrargyrum a heavy silvery-white toxic liquid metallic element occurring principally in cinnabar: used in thermometers, barometers, mercury-vapour lamps, and dental amalgams. Symbol: Hg; atomic no: 80; atomic wt: 200.59; valency: 1 or 2; relative density: 13.546; melting pt: –38.842°C; boiling pt: 357°C 2. any plant of the euphorbiaceous genus Mercurialis dog's mercury 3. archaic a messenger or courier Word origin C14: from Latin Mercurius messenger of Jupiter, god of commerce; related to merx merchandiseWord Frequency Mercury 1(ˈmɜːkjʊrɪ) noun Roman mythology the messenger of the gods Greek counterpart: Hermes Word Frequency Mercury 2(ˈmɜːkjʊrɪ) noun the smallest planet and the nearest to the sun. Mean distance from sun: 57.9 million km; period of revolution around sun: 88 days; period of axial rotation: 59 days; diameter and mass: 38 and 5.4 per cent that of earth respectively |
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