~ 1
■ noun the chemical element of atomic number 80, a heavy silvery-white liquid metal used in some thermometers and barometers. (Symbol: Hg )
Derivatives
mercuric adjective
mercurous adjective
Origin
ME: from L. Mercurius , the Roman god of trading and messenger of the gods.
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~ 2
■ noun a plant of a genus which includes dog's ~. [Genus Mercurialis .]
Origin
C16: from the genus name, from L. mercurialis 'of the god Mercury'.