Meaning of “mercury” in the English Dictionary

(Definition of “mercury” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"mercury" in American English

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mercurynoun [ U ]

us /ˈmɜr·kjər·i/

a heavy, silver-colored metal that is liquid at ordinary temperatures:

Mercury is used in thermometers.

Mercurynoun [ U ]

us /ˈmɜr·kjər·i/

the planet nearest in distance to the sun

(Definition of “mercury” from the Cambridge Academic Content Dictionary © Cambridge University Press)