Mercury

Multiple Entries:
  Mercury    mercury  

Concise Oxford English Dictionary © 2008 Oxford University Press:
Mercury/ˈmɜːkjəri/

▶noun a small planet that is the closest to the sun in the solar system.

– derivatives
Mercurian adjective.

Concise Oxford English Dictionary © 2008 Oxford University Press:
mercury1

▶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.

Concise Oxford English Dictionary © 2008 Oxford University Press:
mercury2

▶noun a plant of a genus which includes dog's mercury. [Genus Mercurialis.]

– origin C16: from the genus name, from L. mercurialis ‘of the god Mercury’.