Englishfor English speakers
Mercury
Proper Noun
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Mercury is the planet closest to the sun.
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Mercury is a Roman god who was the god of trade, travelers, thieves, profit, commerce, and the messenger of the gods.
mercury
Noun
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Mercury is a type of metal (Hg) that is silver in colour. It is liquid at room temperature.
The patient was taken to hospital after he was poisoned with mercury.
comet
Noun
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An object in outer space in an orbit that has dust surrounding its main mass, including a tail formed from gas from the comet.
I could see the bright blue comet passing my window at night.