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WordReference Random House Learner's Dictionary of American English © 2024mer•cu•ry /ˈmɜrkyəri/USA pronunciation n. [uncountable]- Chemistrya heavy, silver-white element, liquid at room temperature;
quicksilver:Mercury is used in thermometers. - Meteorologytemperature:The mercury climbed to a hundred today.
WordReference Random House Unabridged Dictionary of American English © 2024mer•cu•ry (mûr′kyə rē),USA pronunciation n., pl. -ries. - Chemistrya heavy, silver-white, highly toxic metallic element, the only one that is liquid at room temperature;
quicksilver: used in barometers, thermometers, pesticides, pharmaceutical preparations, reflecting surfaces of mirrors, and dental fillings, in certain switches, lamps, and other electric apparatus, and as a laboratory catalyst. Symbol: Hg;
at. wt.: 200.59;
at. no.: 80;
sp. gr.: 13.546 at 20°C;
freezing point: -38.9°C;
boiling point: 357°C. - Drugs[Pharm.]this metal as used in medicine, in the form of various organic and inorganic compounds, usually for skin infections.
- Mythology(cap.) the ancient Roman god who served as messenger of the gods and was also the god of commerce, thievery, eloquence, and science, identified with the Greek god Hermes.
- Astronomy(cap.) the planet nearest the sun, having a diameter of 3031 mi. (4878 km), a mean distance from the sun of 36 million mi. (57.9 million km), and a period of revolution of 87.96 days, and having no satellites: the smallest planet in the solar system. See table under planet.
- a messenger, esp. a carrier of news.
- Plant Biologyany plant belonging to the genus Mercurialis, of the spurge family, esp. the poisonous, weedy M. perennis of Europe.
- Good-King-Henry.
- Aerospace(cap.) one of a series of U.S. spacecraft, carrying one astronaut, that achieved the first U.S. suborbital and orbital manned spaceflights.
- Medieval Latin, Latin Mercurius, akin to merx goods
- Middle English Mercurie 1300–50
Collins Concise English Dictionary © HarperCollins Publishers:: mercury /ˈmɜːkjʊrɪ/ n ( pl -ries)
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- any plant of the euphorbiaceous genus Mercurialis
- archaic a messenger or courier
Etymology: 14th Century: from Latin Mercurius messenger of Jupiter, god of commerce; related to merx merchandise Collins Concise English Dictionary © HarperCollins Publishers:: Mercury /ˈmɜːkjʊrɪ/ n - the messenger of the gods
Mercury /ˈmɜːkjʊrɪ/ n - the second 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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